53 entries under substantiation topic. ×

17
confirmation(noun, information, reason, true, approval)
17
verification(noun, information, reason, find, true)
16
certification(noun, information, reason, find, permit)
14
corroboration(noun, information, reason, true, picture)
13
validation(noun, information, reason, true, approval)
11
attestation(noun, information, reason, true, permit)
10
testimony(noun, information, reason, true, permit)
9
evidence(noun, information, reason, true, approval)
9
proof(noun, true, approval, evidence, witness)
8
ratification(noun, hint, approval, indication, evidence)
8
warrant(noun, information, reason, true, permit)
7
endorsement(noun, permit, hint, record, approval)
5
sanction(noun, approval, authorization, proof, verification)
5
support(noun, approval, evidence, proof, justification)
4
acceptance(noun, approval, proof, verification, endorsement)
4
demonstration(noun, information, reason, true, picture)
4
seal(noun, hint, indication, proof, confirmation)
4
testament(noun, information, reason, true, permit)
3
consent(noun, approval, authorization, proof, verification)
3
deposition(noun, information, reason, picture, evidence)
<123>
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APASmart Define. (2015). authentication thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/authentication/thesaurus/synonyms
ChicagoSmart Define. 2015. "authentication thesaurus" https://smartdefine.org/authentication/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, authentication thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/authentication/thesaurus/synonyms>.
MLASmart Define. "authentication thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/authentication/thesaurus/synonyms>