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
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“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
Adjective
Having power and influence over others
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Adjective
Having great impact or influence
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Adjective
Superseding others in importance or status
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Adjective
Tending to favor the status quo and averse to change
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Adjective
(of a job or position) Involving responsibility or a degree of personal accountability
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Adjective
Nonstandard form of indisputable
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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
Based on absolute truth
Adjective
Being the authoritative or definitive source of, or reference for
Adjective
Having great influence on the result of something
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Adjective
Involving management-like duties
Adjective
Relating to an oracle
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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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