7
ratification(noun, impression, impress, confirmation, stamp)
7
seal(noun, impression, indication, impress, proof)
7
support(noun, statement, evidence, proof, declaration)
7
witness(noun, information, mark, sign, reason)
6
admission(noun, proof, declaration, profession, acknowledgment)
6
affidavit(noun, information, reason, speech, permit)
6
announcement(noun, confirmation, assertion, pronouncement)
6
certificate(noun, agreement, permit, record, contract)
6
indication(noun, information, mark, sign, hint)
6
profession(noun, claim, statement, evidence, declaration)
5
attest
5
demonstration(noun, information, mark, sign, reason)
5
endorsement(noun, permit, record, indication, sanction)
5
warrant(noun, information, reason, agreement, true)
4
acknowledgment(noun, claim, declaration, profession, affirmation)
4
approval(noun, proof, verification, affirmation, endorsement)
4
asseveration(noun, confirmation, assertion, pronouncement)
4
assurance(noun, agreement, impression, contract, promise)
4
establishment(noun, information, reason, picture, evidence)
4
proclamation(noun, statement, declaration, affirmation)
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APASmart Define. (2015). attestation thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/attestation/thesaurus/synonyms
ChicagoSmart Define. 2015. "attestation thesaurus" https://smartdefine.org/attestation/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, attestation thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/attestation/thesaurus/synonyms>.
MLASmart Define. "attestation thesaurus" 29 September 2015. Web. 23 September 2026. <https://smartdefine.org/attestation/thesaurus/synonyms>