606 entries under noun topic. ×

7
case(action, cover, cause, reason)
7
establishment(evidence, witness, confirmation, verification)
7
examination(study, check, measure, challenge)
7
facts(information, knowledge, picture, truth)
7
galley proof(expression, idiom, run, pass)
7
revise(plan, pass, impression, print)
7
token(feature, characteristic, drop, appearance)
7
trace(drop, mark, light, touch)
6
probation(check, struggle, approval, examination)
6
basis(action, cause, reason, measure)
6
exhibit(copy, evidence, witness, confirmation)
6
information(mark, cause, sign, reason)
6
support(action, base, beginning, source)
6
why(cause, reason, informal, idea)
5
acid test(expression, idiom, test, experiment)
5
affidavit(statement, evidence, witness, confirmation)
5
affirmation(cover, information, mark, sign)
5
copy(verb, plan, example, sample)
5
ground(cause, reason, idea, case)
5
grounds(information, mark, cause, sign)
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APASmart Define. (2015). proof thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/proof/thesaurus/synonyms
ChicagoSmart Define. 2015. "proof thesaurus" https://smartdefine.org/proof/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, proof thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/proof/thesaurus/synonyms>.
MLASmart Define. "proof thesaurus" 22 December 2015. Web. 26 September 2026. <https://smartdefine.org/proof/thesaurus/synonyms>