5
indication(noun, information, mark, sign, statement)
5
vindication(noun, defense, confirmation, corroboration, embodiment)
4
approval(noun, check, examination, standard, trial)
4
incarnation(noun, substitute)
4
materialization(noun, substitute)
4
personification(noun, substitute)
4
seal(proof, confirmation)
4
testament(noun, information, mark, sign, reason)
3
assay(noun, check, examination, trial, quiz)
3
authorization(noun, approval, proof, verification, endorsement)
3
declaration(noun, information, mark, sign, indication)
3
determination(noun, evidence)
3
endorsement(noun, approval, evidence, proof, justification)
3
fact(noun, evidence)
3
identification
3
illustration(noun, display, statement, evidence, declaration)
3
witness(noun, information, mark, sign, reason)
2
acid test(noun, expression, idiom, test)
2
affidavit(noun, information, reason, statement, picture)
2
arrest
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APASmart Define. (2015). substantiation thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/substantiation/thesaurus/synonyms
ChicagoSmart Define. 2015. "substantiation thesaurus" https://smartdefine.org/substantiation/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, substantiation thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/substantiation/thesaurus/synonyms>.
MLASmart Define. "substantiation thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/substantiation/thesaurus/synonyms>