14
confirmable(adjective, true, real, provable)
9
certain(adjective, reasonable, sensible, natural, obvious)
9
true(adjective, clear, honest, reliable, trustworthy)
8
demonstrable(adjective, true, real, evident, provable)
8
real(adjective, clear, valid, actual, lawful)
8
valid(adjective, clear, honest, reliable, trustworthy)
7
authentic(adjective, honest, real, reliable, trustworthy)
7
factual
7
provable(adjective, true, real, inferable)
7
unquestionable
6
actual
6
checkable(adjective, true, real)
5
authoritative
5
empirical(adjective, true, real)
5
falsifiable
5
genuine(adjective, clear, valid, lawful, rightful)
5
historical
5
incontestable(adjective, certain)
5
legitimate(adjective, honest, reliable, authentic, trustworthy)
5
sure(adjective, clear, reasonable, sensible, natural)
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APASmart Define. (2016). verifiable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/verifiable/thesaurus/synonyms
ChicagoSmart Define. 2016. "verifiable thesaurus" https://smartdefine.org/verifiable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, verifiable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/verifiable/thesaurus/synonyms>.
MLASmart Define. "verifiable thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/verifiable/thesaurus/synonyms>