25
powerful(adjective, good, strong, sound, right)
16
official(adjective, good, sound, correct, right)
16
important(adjective, strong, powerful, significant, subject)
15
valid(adjective, clear, open, right, honest)
15
influential(adjective, strong, energetic, important, powerful)
14
commanding(adjective, strong, command, authority, powerful)
13
authentic(adjective, good, open, sound, correct)
13
imperious(adjective, government, domineering, authoritarian, overbearing)
11
masterful(adjective, strong, authority, powerful, expert)
11
definitive(adjective, set, correct, perfect, true)
11
dictatorial(adjective, domineering, authoritarian)
11
potent(adjective, good, strong, sound, right)
11
reliable(adjective, good, clear, open, firm)
10
absolute(adjective, clear, precise, government, chief)
10
forceful(adjective, strong, energetic, important, powerful)
10
impressive(adjective, strong, important, powerful, significant)
10
trustworthy(adjective, good, clear, sound, correct)
9
decisive(adjective, strong, precise, decide, key)
9
peremptory(adjective, government, domineering)
9
standard(adjective, true, regular, approved)
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APASmart Define. (2015). authoritative thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/authoritative/thesaurus/synonyms
ChicagoSmart Define. 2015. "authoritative thesaurus" https://smartdefine.org/authoritative/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, authoritative thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/authoritative/thesaurus/synonyms>.
MLASmart Define. "authoritative thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/authoritative/thesaurus/synonyms>