4
checkable(adjective, true, real)
4
indisputable(adjective, true, real)
4
manifest
4
palpable(adjective, honest, pure, true, natural)
4
real(clear, true, valid, indisputable, undoubtable)
4
self-evident(adjective, evident, provable)
3
demonstrated
3
empirical(adjective, true, real)
3
evincible(adjective, evident, provable)
3
flawless
3
genuine(adjective, clear, true, real, authentic)
3
unanswerable
3
unimpeachable(true, real, indisputable)
2
absolute(clear, true, real, valid, indisputable)
2
clear
2
factual(honest, pure, true, real, indisputable)
2
good(honest, pure, true, natural, real)
2
irrefragable
2
sound(clear, honest, pure, natural, real)
2
testable(adjective, watertight, inferable)
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APASmart Define. (2015). demonstrable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/demonstrable/thesaurus/synonyms
ChicagoSmart Define. 2015. "demonstrable thesaurus" https://smartdefine.org/demonstrable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, demonstrable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/demonstrable/thesaurus/synonyms>.
MLASmart Define. "demonstrable thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/demonstrable/thesaurus/synonyms>