Definition of authoritative in English:

authoritative

Line breaks: au¦thori|ta¦tive
Pronunciation: /ɔːˈθɒrɪtətɪv
 
, -ˌteɪtɪv/

adjective

1Able to be trusted as being accurate or true; reliable: clear, authoritative information and advice an authoritative source
More example sentences
  • There isn't an exhaustive amount of authoritative or reliable information about his life, and there is an exhaustive amount of confusing folklore.
  • The National Atlas makes authoritative, reliable geographic information more readily accessible to the public.
  • For years and years, they have been the most authoritative and the most reliable sources of information in their communities.
Synonyms
reliable, dependable, trustworthy, good, sound, authentic, valid, well founded, attested, certified, verifiable; accurate, factual, from the horse's mouth
1.1(Of a text) considered to be the best of its kind and unlikely to be improved upon: this is likely to become the authoritative study of the subject
More example sentences
  • As in other titles in this series, this has the authoritative text (here based on the first British edition of 1886 which sold for 1s.).
  • It follows the series' standard format with the authoritative text, here based on the 1674 edition with a few editorial changes, to which explanatory notes are given.
  • The same year, he published his famous manual on tropical diseases, an authoritative text that appeared in several subsequent editions.
Synonyms
definitive, most reliable, best, most scholarly; classic; authorized, accredited, recognized, accepted, approved, sanctioned
2Commanding and self-confident; likely to be respected and obeyed: his voice was calm and authoritative
More example sentences
  • The older one had that dominating, authoritative air about him.
  • They were still waiting over an hour later as the police went about using their metal barricades and polite but authoritative commands to disperse the area.
  • The role of Salieri demands a commanding and authoritative presence and this was supplied in abundance by Mark Craddock.
Synonyms
2.1Proceeding from an official source and requiring compliance or obedience: authoritative directives
More example sentences
  • What is required is the authoritative resolution of a legal issue.

Derivatives

authoritatively

adverb
More example sentences
  • How things really work is on the table, visible to all in shocking detail, authoritatively documented by the torrent of disclosures, with more to come.
  • In many respects, a dialogue with the public requires a relationship of equals - yet science is made up of expert specialisms, on which very few can comment authoritatively.
  • The authors have written authoritatively, based on their own research and knowledge of literature about the city and also on their close involvement in its affairs.

authoritativeness

noun
More example sentences
  • What he lacks in scholarly authoritativeness, he makes up for in readability: this is an enjoyable journey through the ups and downs of Machiavelli's life.
  • He has had no problem mastering the tone of authoritativeness.
  • However, it also represents an important element in creating a sense of authoritativeness on the part of the ethnographer.

Definition of authoritative in:

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