Synonyms|263Antonyms|79|Broader|1Narrower|0Related|671
2
reliable(adjective, good, sensible, solid, fair)
2
show
2
solid(adjective, sound, reasonable, proper, rational)
2
sound(adjective, good, reasonable, sensible, certain)
2
stated(verb, evinced)
2
substantial(adjective, sound, reasonable, rational)
2
tried and true(expression, adjective, idiom, workable, proved)
2
trustworthy(adjective, good, sound, right, reasonable)
2
veracious(adjective, true)
1
accurate(adjective, good, set, sound, reasonable)
1
adduced(verb, evinced)
1
analyzed(verb, experimented)
1
apodictic(set, certain, unquestionable, indisputable, unassailable)
1
assayed(verb, experimented)
1
assured(verb, ascertained)
1
audited(verb, ascertained)
1
avouched(verb, evinced)
1
axiomatic(adjective, true)
1
benchmarked(verb, experimented)
1
betokened(verb, evinced)
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ChicagoSmart Define. 2015. "proven thesaurus" https://smartdefine.org/proven/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, proven thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/proven/thesaurus/synonyms>.
MLASmart Define. "proven thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/proven/thesaurus/synonyms>