authoritative

au·thor·i·ta·tive  (-thôr-ttv, -thr-, ô-thôr-, ô-thr-)

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.

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au·thori·tative·ly adv.

au·thori·tative·ness n.

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authoritative [ɔːˈθɒrɪtətɪv]

adj

1. recognized or accepted as being true or reliable an authoritative article on drugs

2. exercising or asserting authority; commanding an authoritative manner

3. possessing or supported by authority; official an authoritative communiqué

authoritatively  adv

authoritativeness  n

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au•thor•i•ta•tive (əˈθɔr ɪˌteɪ tɪv, əˈθɒr-)

adj.

1. having the weight of authority; official.

2. substantiated or supported by evidence and accepted by most authorities in a field: the authoritative edition.

3. having an air of or exercising authority; peremptory; dictatorial.

[1595–1605]

au•thor′i•ta`tive•ly, adv.

au•thor′i•ta`tive•ness, n.

Thesaurus

Adj.	1.	authoritative - having authority or ascendancy or influence; "an important official"; "the captain's authoritative manner" important influential - having or exercising influence or power; "an influential newspaper"; "influential leadership for peace"
	2.	authoritative - of recognized authority or excellence; "the definitive work on Greece"; "classical methods of navigation" classic, classical, definitive standard - established or well-known or widely recognized as a model of authority or excellence; "a standard reference work"; "the classical argument between free trade and protectionism"
	3.	authoritative - sanctioned by established authority; "an authoritative communique"; "the authorized biography" authorised, authorized official - having official authority or sanction; "official permission"; "an official representative"

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authoritative

adjective

1. commanding, lordly, masterly, imposing, dominating, confident, decisive, imperative, assertive, autocratic, dictatorial, dogmatic, imperious, self-assured, peremptory He has a deep, authoritative voice.
commanding weak, humble, timid, subservient

2. official, approved, sanctioned, legitimate, sovereign, authorized, commanding The first authoritative study was published in 1840.
official unofficial, unauthorized, unsanctioned

3. reliable, learned, sound, true, accurate, valid, scholarly, faithful, authentic, definitive, factual, truthful, veritable, dependable, trustworthy The evidence she uses is highly authoritative.
reliable unreliable, deceptive, undependable

Translations

authoritative [ɔːˈθɒrɪtətɪv] ADJ

1. (= reliable) [account, book, writer, professor] → de gran autoridad, acreditado; [source, statement, information, study] → autorizado; [newspaper] → serio

2. (= commanding) [person, voice, manner] → autoritario

authoritative [ɔːˈθɒrɪtətɪv] adj

(= dependable) [account] → digne de foi; [study, treatise, book] → qui fait autorité

(= confident) [manner, voice] → plein(e) d'autorité

authoritative

adj

(= commanding) → bestimmt, entschieden; manner → Respekt einflößend; to sound authoritative → Respekt einflößen, bestimmt auftreten

(= reliable) → verlässlich, zuverlässig; (= definitive) → maßgeblich, maßgebend; I won’t accept his opinion as authoritative → seine Meinung ist für mich nicht maßgeblich or maßgebend

authoritative [ɔːˈθɒrɪtətɪv] adj (account, judgement) → autorevole; (manner) → autoritario/a