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authoritative

 - 2 dictionary results

au⋅thor⋅i⋅ta⋅tive

  [uh-thawr-i-tey-tiv, uh-thor-]
Use authoritative in a Sentence
–adjective
1. having due authority; having the sanction or weight of authority: an authoritative opinion.
2. 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.
3. having an air of authority; accustomed to exercising authority; positive; peremptory; dictatorial: said with an authoritative air.
Origin:
1595–1605; authorit(y) + -ative

Related forms:
au⋅thor⋅i⋅ta⋅tive⋅ly, adverb
au⋅thor⋅i⋅ta⋅tive⋅ness, noun

Synonyms:
1. official. 3. dogmatic, authoritarian.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To authoritative
au·thor·i·ta·tive   (ə-thôr'ĭ-tā'tĭv, ə-thŏr'-, ô-thôr'-, ô-thŏr'-)   
adj.  

  1. Having or arising from authority; official: an authoritative decree; authoritative sources.

  2. Of acknowledged accuracy or excellence; highly reliable: an authoritative account of the revolution.

  3. Wielding authority; commanding: the captain's authoritative manner.

au·thor'i·ta'tive·ly adv., au·thor'i·ta'tive·ness n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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