186 entries under noun topic. ×

20
confirmation(check, information, mark, sign)
19
proof(support, check, information, mark)
19
verification(support, check, information, reason)
15
validation(information, reason, display, true)
14
corroboration(support, check, information, mark)
14
evidence(support, information, mark, sign)
13
attestation(information, mark, sign, reason)
13
certification(information, reason, picture, evidence)
12
authentication(information, reason, true, picture)
12
demonstration(information, mark, sign, reason)
12
testimony(information, mark, sign, reason)
8
check(approval, examination, standard, trial)
7
affirmation(information, mark, sign, display)
7
documentation(support, information, mark, sign)
7
establishment(information, reason, picture, evidence)
7
ratification(approval, evidence, proof, confirmation)
6
manifestation(form, appearance, information, mark)
6
support(approval, statement, evidence, proof)
5
credentials(information, reason, picture, evidence)
5
embodiment(form, cast, substitute, representation)
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APASmart Define. (2015). substantiation thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/substantiation/thesaurus/synonyms
ChicagoSmart Define. 2015. "substantiation thesaurus" https://smartdefine.org/substantiation/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, substantiation thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/substantiation/thesaurus/synonyms>.
MLASmart Define. "substantiation thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/substantiation/thesaurus/synonyms>