What is another word for authoritative?

Need synonyms for authoritative? Here's a list of similar words from our thesaurus that you can use instead.

Adjective
Recognized as being reliable
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“If the IRS is the authoritative source of tax information, is there any reason to look elsewhere on the Net for tax expertise?”
Adjective
Commanding and self-confident
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“Henry, fighting the urge to just disappear and let the battle rage on, shifted somewhat pompously and very self-confidently into a loud authoritative voice.”
Adjective
Being the authoritative or definitive source of, or reference for
“It stands without peer in the public arena as the most authoritative record of one of the nation's most trying experiences.”
Adjective
Having great influence or persuasion over
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Adjective
Having authority over the policies, actions, and affairs of a state or organization
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Adjective
Confident in one's own abilities
Adjective
Indisputable, beyond doubt
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Adjective
Conforming or adhering to whatever is customary, traditional, or generally accepted
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Adjective
Superseding others in importance or status
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Adjective
Renowned and recognized in a given field or domain
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Adjective
Judged over a period of time to be of the highest quality and outstanding of its kind
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Adjective
Invested with full power
Adjective
Based on, or displaying, common sense
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Adjective
Having or showing knowledge, learning, or devotion to academic pursuits
Adjective
Of judges or the administration of justice
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