50 entries under substantiation topic. ×

1
verifying(proof, verification, endorsement, authentication)
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assent(proof, declaration, profession, verification, endorsement)
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consent(proof, verification, endorsement, authentication)
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corroborating(proof, verification, endorsement, authentication)
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go ahead(expression, proof, verification, endorsement)
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passage(proof, verification, endorsement, authentication)
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passing(proof, verification, endorsement, authentication)
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stamp(impression, impress, proof, confirmation)
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supporting(proof, verification, endorsement, authentication)
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validating(proof, verification, endorsement, authentication)
<123>
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APASmart Define. (2015). attestation thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/attestation/thesaurus/synonyms
ChicagoSmart Define. 2015. "attestation thesaurus" https://smartdefine.org/attestation/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, attestation thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/attestation/thesaurus/synonyms>.
MLASmart Define. "attestation thesaurus" 29 September 2015. Web. 26 September 2026. <https://smartdefine.org/attestation/thesaurus/synonyms>