168 entries under noun topic. ×

7
ratification(impression, impress, confirmation, stamp)
7
seal(impression, indication, impress, proof)
7
support(statement, evidence, proof, declaration)
7
witness(information, mark, sign, reason)
6
admission(proof, declaration, profession, acknowledgment)
6
affidavit(information, reason, speech, permit)
6
announcement(confirmation, assertion, pronouncement)
6
certificate(agreement, permit, record, contract)
6
indication(information, mark, sign, hint)
6
profession(claim, statement, evidence, declaration)
5
demonstration(information, mark, sign, reason)
5
endorsement(permit, record, indication, sanction)
5
warrant(information, reason, agreement, true)
4
acknowledgment(claim, declaration, profession, affirmation)
4
approval(proof, verification, affirmation, endorsement)
4
asseveration(confirmation, assertion, pronouncement)
4
assurance(agreement, impression, contract, promise)
4
establishment(information, reason, picture, evidence)
4
proclamation(statement, declaration, affirmation)
4
sanction(permit, authorization, proof, verification)
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APASmart Define. (2015). attestation thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/attestation/thesaurus/synonyms
ChicagoSmart Define. 2015. "attestation thesaurus" https://smartdefine.org/attestation/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, attestation thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/attestation/thesaurus/synonyms>.
MLASmart Define. "attestation thesaurus" 29 September 2015. Web. 28 September 2026. <https://smartdefine.org/attestation/thesaurus/synonyms>