from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Having or arising from authority; official: an authoritative decree; authoritative sources.
  • adj. Of acknowledged accuracy or excellence; highly reliable: an authoritative account of the revolution.
  • adj. Wielding authority; commanding: the captain's authoritative manner.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Arising or originating from a figure of authority
  • adj. Highly accurate or definitive; treated or worthy of treatment as a scholarly authority
  • adj. Having a commanding style.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Having, or proceeding from, due authority; entitled to obedience, credit, or acceptance; determinate; commanding.
  • adj. Having an air of authority; positive; dictatorial; peremptory.

from The Century Dictionary and Cyclopedia

  • Having due authority; having the sanction or weight of authority; entitled to credence or obedience: as, “authoritative teaching,” Barrow.
  • Having an air of authority; positive; peremptory; dictatorial.
  • Synonyms Authoritative, Magisterial, etc. (see magisterial), commanding.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. having authority or ascendancy or influence
  • adj. of recognized authority or excellence
  • adj. sanctioned by established authority


Sorry, no etymologies found.



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