75 entries under endorsement topic. ×

48
evidence(noun, verb, expression, feature, support)
20
substantiation(noun, support, check, information, mark)
18
demonstration(noun, appearance, information, mark, cause)
15
testimony(noun, information, mark, cause, knowledge)
14
confirmation(noun, check, information, mark, sign)
14
verification(noun, support, study, check, measure)
14
validation(noun, display, true, approval, evidence)
13
attestation(noun, information, mark, sign, true)
12
certification(noun, sanction, evidence, authorization, witness)
12
corroboration(noun, support, check, information, mark)
11
indication(noun, feature, characteristic, drop, appearance)
10
authentication(noun, true, approval, evidence, witness)
10
sign(noun, drop, appearance, information, mark)
9
witness(noun, information, mark, light, note)
8
manifestation(noun, appearance, information, mark, light)
8
testament(noun, information, mark, sign, true)
7
token(noun, feature, characteristic, drop, appearance)
6
support(noun, action, base, beginning, source)
5
affidavit(noun, statement, evidence, witness, confirmation)
5
affirmation(noun, cover, information, mark, sign)
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APASmart Define. (2015). proof thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/proof/thesaurus/synonyms
ChicagoSmart Define. 2015. "proof thesaurus" https://smartdefine.org/proof/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, proof thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/proof/thesaurus/synonyms>.
MLASmart Define. "proof thesaurus" 22 December 2015. Web. 27 September 2026. <https://smartdefine.org/proof/thesaurus/synonyms>