authoritative
- 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; positive; peremptory; dictatorial: said with an authoritative air.
Origin of authoritative
Synonyms for authoritative
See more synonyms for on Thesaurus.comRelated Words for authoritatively
authoritativelyExamples from the Web for authoritatively
Contemporary Examples of authoritatively
Some authoritatively explained that his death is being used as a distraction from the current political transition.
“He wanted to write about it authoritatively,” Wilentz said.
Historical Examples of authoritatively
"Both of you may stop now," said Professor Maxon authoritatively.
The Monster MenEdgar Rice Burroughs
“Go around to Helen, and—take that gun,” she said authoritatively.
The Law-BreakersRidgwell Cullum
She was moving towards the door when Artois stopped her authoritatively.
A Spirit in PrisonRobert Hichens
"Stay—I cannot permit this," interposed the Chief Justice, authoritatively.
Roland CashelCharles James Lever
"The cause of failure was very different," said O'Hallo-ran, authoritatively.
The Knight Of Gwynne, Vol. II (of II)Charles James Lever
authoritative
- recognized or accepted as being true or reliablean authoritative article on drugs
- exercising or asserting authority; commandingan authoritative manner
- possessing or supported by authority; officialan authoritative communiqué
Word Origin and History for authoritatively
authoritative
c.1600, "dictatorial" (a sense now restricted to authoritarian), from Medieval Latin authoritativus (see authority). Meaning "possessing authority" is recorded from 1650s; that of "proceeding from proper authority" is from 1809. Related: Authoritatively; authoritativeness.