196 entries under noun topic. ×

21
confirmation(check, information, mark, sign)
16
verification(support, check, information, reason)
15
affirmation(information, mark, sign, indication)
14
attestation(information, mark, sign, reason)
14
authentication(information, reason, true, picture)
14
evidence(support, information, mark, sign)
14
substantiation(support, check, information, mark)
13
proof(support, check, information, mark)
13
testimony(information, mark, sign, reason)
13
validation(information, reason, true, picture)
12
certification(information, reason, picture, evidence)
12
documentation(support, information, mark, sign)
11
ratification(approval, confidence, assurance, evidence)
10
support(approval, statement, evidence, proof)
8
acknowledgment(recognition, acceptance, affirmation, admission)
7
acceptance(approval, evidence, proof, recognition)
6
approval(check, examination, standard, trial)
6
endorsement(approval, evidence, proof, justification)
6
testament(information, mark, sign, reason)
5
admitting(recognition, acceptance, assent, admission)
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APASmart Define. (2015). corroboration thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/corroboration/thesaurus/synonyms
ChicagoSmart Define. 2015. "corroboration thesaurus" https://smartdefine.org/corroboration/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, corroboration thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/corroboration/thesaurus/synonyms>.
MLASmart Define. "corroboration thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/corroboration/thesaurus/synonyms>