
1) Absolute 2) Commanding 3) Dictatorial 4) Dogmatic 5) Having an air of authority 6) Having due authority 7) Important 8) Influential 9) Unconditional
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https://www.crosswordclues.com/clue/authoritative

1) Authorized 2) Canonical 3) Domineering 4) Influential 5) Magisterial 6) Official 7) Overbearing 8) Potestative 9) Strong 10) Ultimate
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https://www.crosswordclues.com/clue/authoritative

• (a.) Having, or proceeding from, due authority; entitled to obedience, credit, or acceptance; determinate; commanding. • (a.) Having an air of authority; positive; dictatorial; peremptory; as, an authoritative tone.
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http://thinkexist.com/dictionary/meaning/authoritative/
Au·thor'i·ta·tive adjective 1. Having, or proceeding from, due authority; entitled to obedience, credit, or acceptance; determinate; commanding. « The sacred functions of
authoritative teaching.
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2. Having an air of authority; positive; dictatori...
Found on
http://www.encyclo.co.uk/webster/A/148

[
adj] - of recognized authority or excellence 2. [adj] - having authority or ascendancy or influence 3. [adj] - sanctioned by established authority
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http://www.webdictionary.co.uk/definition.php?query=authoritative
authorized adjective sanctioned by established authority; `an authoritative communique`; `the authorized biography`
Found on
https://www.encyclo.co.uk/local/20974

having due authority; having the sanction or weight of authority: an authoritative opinion. · substantiated or supported by documentary evidence and accepted by most authorities in a field: an authoritative edition of Shakespeare; an authoritative treatment of a subject. · having an air of authority; accustomed to exercising authority; p...
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https://www.infoplease.com/dictionary/authoritative
No exact match found.