121 entries under authentic topic. ×

10
sound(adjective, good, clear, strong, correct)
10
sure(adjective, adverb, good, close, clear)
9
ardent(adjective, close, kind, correct, keen)
9
positive(adjective, good, clear, strong, firm)
9
strict(adjective, good, close, strong, correct)
9
substantial(adjective, good, sound, right, reasonable)
9
undeniable(adjective, clear, correct, right, firm)
9
veridical(adjective, close, correct, right, appropriate)
8
fast(adjective, close, strong, tough, correct)
8
normal(adjective, correct, right, exact, real)
8
regular(adjective, open, smooth, correct, right)
8
unquestionable(adjective, correct, right, honest, plain)
7
indubitable(adjective, clear, correct, right, firm)
7
kosher(noun, adjective, good, open, sound)
7
verified(adjective, certain, substantial, real, genuine)
6
confirmed(adjective, good, sound, complete, reasonable)
6
consistent(adjective, strong, smooth, right, flat)
6
earnest(adjective, open, warm, honest, total)
6
true-blue(adjective, good, close, strong, open)
6
typical(adjective, correct, right, exact, real)
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APASmart Define. (2016). true thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/true/thesaurus/synonyms
ChicagoSmart Define. 2016. "true thesaurus" https://smartdefine.org/true/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, true thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/true/thesaurus/synonyms>.
MLASmart Define. "true thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/true/thesaurus/synonyms>