13
convincing(adjective, open, honest, true, real)
12
certain(adjective, correct, honest, true, straight)
12
pure(adjective, good, sound, simple, correct)
11
proper(adjective, good, correct, right, honest)
10
dependable(adjective, close, correct, right, reasonable)
10
unquestionable(adjective, correct, right, reasonable, honest)
10
veracious(adjective, good, close, correct, right)
10
credible(adjective, good, close, open, sound)
10
good(adjective, sound, right, reasonable, honest)
10
natural(adjective, simple, correct, right, bright)
10
solid(adjective, good, sound, correct, right)
9
absolute(adjective, correct, honest, true, straight)
9
correct(adjective, close, right, plain, solid)
9
literal(adjective, correct, honest, solid, exact)
9
unfeigned(adjective, good, correct, right, honest)
8
documented(adjective, evidential)
8
precise(adjective, close, correct, right, honest)
8
concrete(adjective, correct, solid, exact, physical)
8
lifelike(adjective, close, correct, true, natural)
8
trusty(adjective, good, close, correct, reasonable)
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APASmart Define. (2016). authentic thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/authentic/thesaurus/synonyms
ChicagoSmart Define. 2016. "authentic thesaurus" https://smartdefine.org/authentic/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, authentic thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/authentic/thesaurus/synonyms>.
MLASmart Define. "authentic thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/authentic/thesaurus/synonyms>