Webster's Dictionary, 1913

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Agent adjective [ Latin agens , agentis , present participle of agere to act; akin to Greek ... to lead, Icelandic aka to drive, Sanskrit aj . √2.] Acting; -- opposed to patient , or sustaining, action. [ Archaic] "The body agent ." Bacon.

Agent noun
1. One who exerts power, or has the power to act; an actor.

Heaven made us agents , free to good or ill.
Dryden.

2. One who acts for, or in the place of, another, by authority from him; one intrusted with the business of another; a substitute; a deputy; a factor.

3. An active power or cause; that which has the power to produce an effect; as, a physical, chemical, or medicinal agent ; as, heat is a powerful agent .

Agential adjective Of or pertaining to an agent or an agency. Fitzed. Hall.

Agentship noun Agency. Beau. & Fl.

Ageratum noun [ New Latin , from Greek ... a sort of plant; 'a priv. + ... old age.] (Botany) A genus of plants, one species of which ( A. Mexicanum ) has lavender- blue flowers in dense clusters.

Aggeneration noun [ Latin aggenerare to beget in addition. See Generate .] The act of producing in addition. [ Obsolete] T. Stanley.

Agger noun [ Latin , a mound, from aggerere to bear to a place, heap up; ad + gerere to bear.] An earthwork; a mound; a raised work. [ Obsolete] Hearne.

Aggerate transitive verb [ Latin aggeratus , past participle of aggerare . See Agger .] To heap up. [ Obsolete] Foxe.

Aggeration noun [ Latin aggeratio .] A heaping up; accumulation; as, aggerations of sand. [ R.]

Aggerose adjective In heaps; full of heaps.

Aggest transitive verb [ Latin aggestus , past participle of aggerere . See Agger .] To heap up. [ Obsolete]

The violence of the waters aggested the earth.
Fuller.

Agglomerate transitive verb [ imperfect & past participle Agglomerated ; present participle & verbal noun Agglomerating ] [ Latin agglomeratus , past participle of agglomerare ; ad + glomerare to form into a ball. See Glomerate .] To wind or collect into a ball; hence, to gather into a mass or anything like a mass.

Where he builds the agglomerated pile.
Cowper.

Agglomerate intransitive verb To collect in a mass.

Agglomerate noun
1. A collection or mass.

2. (Geol.) A mass of angular volcanic fragments united by heat; -- distinguished from conglomerate .

Agglomerate, Agglomerated adjective
1. Collected into a ball, heap, or mass.

2. (Botany) Collected into a rounded head of flowers.

Agglomeration noun [ Confer French agglomération .]
1. The act or process of collecting in a mass; a heaping together.

An excessive agglomeration of turrets.
Warton.

2. State of being collected in a mass; a mass; cluster.

Agglomerative adjective Having a tendency to gather together, or to make collections.

Taylor is eminently discursive, accumulative, and (to use one of his own words) agglomerative .
Coleridge.

Agglutinant adjective [ Latin agglutinans , -antis , present participle of agglutinare .] Uniting, as glue; causing, or tending to cause, adhesion. -- noun Any viscous substance which causes bodies or parts to adhere.

Agglutinate transitive verb [ imperfect & past participle Agglutinated ; present participle & verbal noun Agglutinating .] [ Latin agglutinatus , past participle of agglutinare to glue or cement to a thing; ad + glutinare to glue; gluten glue. See Glue .] To unite, or cause to adhere, as with glue or other viscous substance; to unite by causing an adhesion of substances.

Agglutinate adjective
1. United with glue or as with glue; cemented together.

2. (physiol.) Consisting of root words combined but not materially altered as to form or meaning; as, agglutinate forms, languages, etc. See Agglutination , 2.

Agglutination noun [ Confer French agglutination .]
1. The act of uniting by glue or other tenacious substance; the state of being thus united; adhesion of parts.

2. (Physiol.) Combination in which root words are united with little or no change of form or loss of meaning. See Agglutinative , 2.

Agglutinative adjective [ Confer French agglutinatif .]
1. Pertaining to agglutination; tending to unite, or having power to cause adhesion; adhesive.

2. (Philol.) Formed or characterized by agglutination, as a language or a compound.

In agglutinative languages the union of words may be compared to mechanical compounds, in inflective languages to chemical compounds.
R. Morris.

Confer man-kind , heir-loom , war-like , which are agglutinative compounds. The Finnish, Hungarian, Turkish, the Tamul, etc., are agglutinative languages.
R. Morris.

Agglutinative languages preserve the consciousness of their roots.
Max Müller.

Aggrace transitive verb [ Prefix a- + grace : confer Italian aggraziare , Late Latin aggratiare . See Grace .] To favor; to grace. [ Obsolete] "That knight so much aggraced ." Spenser.

Aggrace noun Grace; favor. [ Obsolete] Spenser.

Aggrade transitive verb [ imperfect & past participle Aggraded ; present participle & verbal noun Aggrading .] (Physics Geology) To bring, or tend to bring, to a uniform grade, or slope, by addition of material; as, streams aggrade their beds by depositing sediment.

Aggrandizable adjective Capable of being aggrandized.

Aggrandization noun Aggrandizement. [ Obsolete] Waterhouse.

Aggrandize transitive verb [ imperfect & past participle Aggrandized ; present participle & verbal noun Aggrandizing ] [ French agrandir ; à (L. ad ) + grandir to increase, Latin grandire , from grandis great. See Grand , and confer Finish .]
1. To make great; to enlarge; to increase; as, to aggrandize our conceptions, authority, distress.

2. To make great or greater in power, rank, honor, or wealth; -- applied to persons, countries, etc.

His scheme for aggrandizing his son.
Prescott.

3. To make appear great or greater; to exalt. Lamb.

Syn. -- To augment; exalt; promote; advance.

Aggrandize intransitive verb To increase or become great. [ Obsolete]

Follies, continued till old age, do aggrandize .
J. Hall.

Aggrandizement noun [ Confer French agrandissement .] The act of aggrandizing, or the state of being aggrandized or exalted in power, rank, honor, or wealth; exaltation; enlargement; as, the emperor seeks only the aggrandizement of his own family.

Syn. -- Augmentation; exaltation; enlargement; advancement; promotion; preferment.

Aggrandizer noun One who aggrandizes, or makes great.

Aggrate transitive verb [ Italian aggratare , from Latin ad + gratus pleasing. See Grate , adjective ] To please. [ Obsolete]

Each one sought his lady to aggrate .
Spenser.

Aggravate transitive verb [ imperfect & past participle Aggravated ; present participle & verbal noun Aggravating .] [ Latin aggravatus , past participle of aggravare . See Aggrieve .]
1. To make heavy or heavier; to add to; to increase. [ Obsolete] "To aggravate thy store." Shak.

2. To make worse, or more severe; to render less tolerable or less excusable; to make more offensive; to enhance; to intensify. "To aggravate my woes." Pope.

To aggravate the horrors of the scene.
Prescott.

The defense made by the prisoner's counsel did rather aggravate than extenuate his crime.
Addison.

3. To give coloring to in description; to exaggerate; as, to aggravate circumstances. Paley.

4. To exasperate; to provoke; to irritate. [ Colloq.]

If both were to aggravate her parents, as my brother and sister do mine.
Richardson (Clarissa).

Syn. -- To heighten; intensify; increase; magnify; exaggerate; provoke; irritate; exasperate.

Aggravating adjective
1. Making worse or more heinous; as, aggravating circumstances.

2. Exasperating; provoking; irritating. [ Colloq.]

A thing at once ridiculous and aggravating .
J. Ingelow.

Aggravatingly adverb In an aggravating manner.

Aggravation noun [ Late Latin aggravatio : confer French aggravation .]
1. The act of aggravating, or making worse; -- used of evils, natural or moral; the act of increasing in severity or heinousness; something additional to a crime or wrong and enhancing its guilt or injurious consequences.

2. Exaggerated representation.

By a little aggravation of the features changed it into the Saracen's head.
Addison.

3. An extrinsic circumstance or accident which increases the guilt of a crime or the misery of a calamity.

4. Provocation; irritation. [ Colloq.] Dickens.

Aggravative adjective Tending to aggravate. -- noun That which aggravates.

Aggregate transitive verb [ imperfect & past participle Aggregated ; present participle & verbal noun Aggregating .] [ Latin aggregatus , past participle of aggregare to lead to a flock or herd; ad + gregare to collect into a flock, grex flock, herd. See Gregarious .]
1. To bring together; to collect into a mass or sum. "The aggregated soil." Milton.

2. To add or unite, as, a person, to an association.

It is many times hard to discern to which of the two sorts, the good or the bad, a man ought to be aggregated .
Wollaston.

3. To amount in the aggregate to; as, ten loads, aggregating five hundred bushels. [ Colloq.]

Syn. -- To heap up; accumulate; pile; collect.

Aggregate adjective [ Latin aggregatus , past participle ]
1. Formed by a collection of particulars into a whole mass or sum; collective.

The aggregate testimony of many hundreds.
Sir T. Browne.

2. (Anat.) Formed into clusters or groups of lobules; as, aggregate glands.

3. (Botany) Composed of several florets within a common involucre, as in the daisy; or of several carpels formed from one flower, as in the raspberry.

4. (Min. & Geol.) Having the several component parts adherent to each other only to such a degree as to be separable by mechanical means.

5. (Zoology) United into a common organized mass; -- said of certain compound animals.

Corporation aggregate . (Law) See under Corporation .

Aggregate noun
1. A mass, assemblage, or sum of particulars; as, a house is an aggregate of stone, brick, timber, etc.

» In an aggregate the particulars are less intimately mixed than in a compound .

2. (Physics) A mass formed by the union of homogeneous particles; -- in distinction from a compound , formed by the union of heterogeneous particles.

In the aggregate , collectively; together.

Aggregately adverb Collectively; in mass.

Aggregation noun [ Confer Late Latin aggregatio , French agrégation .] The act of aggregating, or the state of being aggregated; collection into a mass or sum; a collection of particulars; an aggregate.

Each genus is made up by aggregation of species.
Carpenter.

A nation is not an idea only of local extent and individual momentary aggregation , but . . . of continuity, which extends in time as well as in numbers, and in space.
Burke.

Aggregative adjective [ Confer Fr. agrégatif .]
1. Taken together; collective.

2. Gregarious; social. [ R.] Carlyle.

Aggregator noun One who aggregates.

Aggrege transitive verb [ Old French agreger . See Aggravate .] To make heavy; to aggravate. [ Obsolete] Chaucer.

Aggress intransitive verb [ imperfect & past participle Aggressed ; present participle & verbal noun Aggressing .] [ Latin aggressus , past participle of aggredi to go to, approach; ad + gradi to step, go, gradus step: confer Old French aggresser . See Grade .] To commit the first act of hostility or offense; to begin a quarrel or controversy; to make an attack; -- with on .

Aggress transitive verb To set upon; to attack. [ R.]

Aggress noun [ Latin aggressus .] Aggression. [ Obsolete]

Their military aggresses on others.
Sir M. Hale.

Aggression noun [ Latin aggressio , from aggredi : confer French agression .] The first attack, or act of hostility; the first act of injury, or first act leading to a war or a controversy; unprovoked attack; assault; as, a war of aggression . " Aggressions of power." Hallam

Syn. -- Attack; offense; intrusion; provocation.

Aggressive adjective [ Confer French agressif .] Tending or disposed to aggress; characterized by aggression; making assaults; unjustly attacking; as, an aggressive policy, war, person, nation. -- Ag*gres"sive*ly , adverb -- Ag*gres"sive*ness , noun

No aggressive movement was made.
Macaulay.

Aggressor noun [ Latin : confer French agresseur .] The person who first attacks or makes an aggression; he who begins hostility or a quarrel; an assailant.

The insolence of the aggressor is usually proportioned to the tameness of the sufferer.
Ames.