46 entries under endorsement topic. ×

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avowal(proof, verification, authentication, substantiation)
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consent(approval, proof, verification, validation)
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corroborating(approval, proof, verification, validation)
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corroboration(approval, proof, verification, validation)
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demonstration(proof, authentication)
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evidence(approval, proof, verification, validation)
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go ahead(expression, approval, proof, verification)
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green light(expression, proof, verification, substantiation)
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justification(proof, authentication)
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nod(approval, signal, wave, proof, verification)
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okay(proof, verification, authentication, substantiation)
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proof(approval, verification, validation, authentication)
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proving(approval, proof, verification, validation)
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recognition(approval, proof, verification, validation)
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stamp of approval(expression, idiom, approval, proof, verification)
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substantiation(approval, proof, verification, validation)
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support(approval, proof, verification, validation)
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supporting(approval, proof, verification, validation)
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testament(approval, proof, verification, validation)
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testimonial(proof, verification, authentication, substantiation)
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APASmart Define. (2016). passing thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/passing/thesaurus/synonyms
ChicagoSmart Define. 2016. "passing thesaurus" https://smartdefine.org/passing/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, passing thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/passing/thesaurus/synonyms>.
MLASmart Define. "passing thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/passing/thesaurus/synonyms>