
1) Achoo 2) React 3) Sneezing 4) Sternutation 
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https://www.crosswordclues.com/clue/sneeze

1) Allergic outburst 2) Allergic reaction 3) Allergic reaction, at times 4) Allergy sign 5) Allergy symptom 6) Bless you elicitor 7) Blessed act 8) Blessed event 9) Blessed thing 10) Blessing elicitor 11) Blessing elicitor, sometimes 12) Blessing preceder 13) Blessing precursor 14) Cause for a blessing 
Found on 
https://www.crosswordclues.com/clue/sneeze

 A sneeze, or sternutation, is a semi-autonomous, convulsive expulsion of air from the lungs through the nose and mouth, usually caused by foreign particles irritating the nasal mucosa. A sneeze expels air forcibly from the mouth and nose in an explosive, spasmodic involuntary action resulting chiefly from irritation of the nasal mucous membrane. S...
Found on 
http://en.wikipedia.org/wiki/Sneeze

• (n.) A sudden and violent ejection of air with an audible sound, chiefly through the nose. • (v. i.) To emit air, chiefly through the nose, audibly and violently, by a kind of involuntary convulsive force, occasioned by irritation of the inner membrane of the nose.
Found on 
http://thinkexist.com/dictionary/meaning/sneeze/

1. To expel air from the nose and mouth by an involuntary spasmodic contraction of the muscles of expiration. ... 2. An act of sneezing; a reflex excited by an irritation of the mucous membrane of the nose or, sometimes, by a bright light striking the eye. ... Origin: A.S. Fneosan ... (05 Mar 2000) ... 
Found on 
http://www.encyclo.co.uk/local/20973

(snēz) an involuntary, sudden, violent, and audible expulsion of air through the mouth and nose, usually caused by the irritation of sensitive nerve endings in the mucous membrane that lines the nasal cavity. to expel air in such a manner.
Found on 
http://www.encyclo.co.uk/local/21001
Sneeze  intransitive verb [ 
 imperfect & past participle   Sneezed ; 
 present participle & verbal noun   Sneezing .] [ Middle English 
 snesen ; of uncertain origin; confer Dutch 
 snuse to sniff, English 
 neese , and Anglo-Saxo...
Found on 
http://www.encyclo.co.uk/webster/S/132
Sneeze  noun  A sudden and violent ejection of air with an audible sound, chiefly through the nose. 
Found on 
http://www.encyclo.co.uk/webster/S/132

Type: Term Pronunciation: snēz Definitions: 1. To expel air from the nose and mouth by an involuntary spasmodic contraction of the muscles of expiration. 2. An act of sneezing; a reflex excited by an irritation of the mucous membrane of the nose or, sometimes, by a bright light striking the eye.
Found on 
http://www.medilexicon.com/medicaldictionary.php?t=82601

Sneeze: 1. As a verb, to suddenly expel air through the nose and mouth by an involuntary contraction of the muscles of expiration. 2. As a noun, the act of sneezing. Sneezing is commonly caused by irritation of the nasal passages, as from pollens, house dust, pepper, or other particles. The sound of the word 'sneeze' suggests the act. See also: Ach...
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http://www.medterms.com/script/main/art.asp?articlekey=33617

Sneeze is slang for cocaine.
Found on 
http://www.probertencyclopaedia.com/browse/ZSC.HTM

[
n] - a symptom consisting of the involuntary expulsion of air from the nose 2. [v] - exhale spasmodically, as when an irritant entered one`s nose
Found on 
http://www.webdictionary.co.uk/definition.php?query=sneeze
sneezing noun a symptom consisting of the involuntary expulsion of air from the nose
Found on 
https://www.encyclo.co.uk/local/20974
  No exact match found.