38 entries under approval topic. ×

17
confirmation(noun, information, reason, true)
13
validation(noun, information, reason, true)
10
affirmation(noun, permit, authorization, proof)
9
evidence(noun, information, reason, true)
9
proof(noun, true, evidence, witness)
8
ratification(noun, hint, indication, evidence)
7
endorsement(noun, permit, hint, record)
6
approval(noun, authorization, proof, confirmation)
5
authorization(noun, permit, authorization, proof)
5
sanction(noun, authorization, proof, verification)
5
support(noun, evidence, proof, justification)
4
acceptance(noun, proof, verification, endorsement)
4
assent(noun, evidence, authorization, proof)
4
permission(noun, authorization)
3
approbation
3
consent(noun, authorization, proof, verification)
2
agreement(noun, authorization, proof, verification)
2
authenticating(proof, verification, endorsement, validation)
2
go ahead(expression, proof, verification, endorsement)
2
nod(proof, verification, endorsement, validation)
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APASmart Define. (2015). authentication thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/authentication/thesaurus/synonyms
ChicagoSmart Define. 2015. "authentication thesaurus" https://smartdefine.org/authentication/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, authentication thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/authentication/thesaurus/synonyms>.
MLASmart Define. "authentication thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/authentication/thesaurus/synonyms>