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Pronunciation:  u'thori`teytiv

WordNet Dictionary
  1. [adj]  sanctioned by established authority; "an authoritative communique"; "the authorized biography"
  2. [adj]  having authority or ascendancy or influence; "an important official"; "the captain's authoritative manner"
  3. [adj]  of recognized authority or excellence; "the definitive work on Greece"; "classical methods of navigation"

AUTHORITATIVE is a 13 letter word that starts with A.


 Synonyms: authorised, authorized, classical, definitive, important, influential, official, standard



Webster's 1913 Dictionary
\Au*thor"i*ta*tive\, a.
1. Having, or proceeding from, due authority; entitled to
   obedience, credit, or acceptance; determinate; commanding.

         The sacred functions of authoritative teaching.

2. Having an air of authority; positive; dictatorial;
   peremptory; as, an authoritative tone.

         The mock authoritative manner of the one, and the
         insipid mirth of the other.           --Swift.
   -- {Au*thor"i*ta*tive*ly}, adv. --
   {Au*thor"i*ta*tive*ness}, n.

Thesaurus Terms
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