Synonyms|299Antonyms|52|Broader|6Narrower|3Related|181

125 entries under noun topic. ×

3
testimonial(true, permit, record, sanction)
2
acknowledgment
2
agreement(approval, authorization, proof, verification)
2
avowal(proof, verification, endorsement, substantiation)
2
credentials(information, reason, permit, sanction)
2
enfranchisement
2
exemplification(evidence, witness)
2
exhibit(information, reason, picture, evidence)
2
fact
2
license(permit, authorization, warrant, document)
2
manifestation
2
notarization
2
record(information, reason, permit, picture)
2
sign(hint, indication, seal, stamp)
2
trademark(hint, indication, seal, stamp)
2
voucher(permit, security, warrant, document)
2
witness(information, reason, approval, picture)
1
affidavit(information, reason, permit, record)
1
argument(information, reason, picture, evidence)
1
assertion
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APASmart Define. (2015). authentication thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/authentication/thesaurus/synonyms
ChicagoSmart Define. 2015. "authentication thesaurus" https://smartdefine.org/authentication/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, authentication thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/authentication/thesaurus/synonyms>.
MLASmart Define. "authentication thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/authentication/thesaurus/synonyms>