209 entries under noun topic. ×

2
indication
2
information(reason, picture, evidence, witness)
2
institution
2
legitimization(passing, enactment)
2
notarization(authorization, engineering, registration)
2
okay(support, informal, approval, sanction)
2
passage(approval, proof, confirmation, passing)
2
pledge
2
proving(approval, proof, confirmation, verification)
2
reason(information, approval, argument, picture)
2
recognition(approval, proof, confirmation, verification)
2
sanctioning(approval, proof, confirmation, verification)
2
signet
2
statement(evidence, affirmation)
2
submission
2
supporting(approval, encouragement, proof, confirmation)
2
validating(approval, proof, confirmation, verification)
2
warranty
1
absolution(reason, approval, argument, explanation)
1
accepting(approval, proof, confirmation, verification)
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APASmart Define. (2015). validation thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/validation/thesaurus/synonyms
ChicagoSmart Define. 2015. "validation thesaurus" https://smartdefine.org/validation/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, validation thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/validation/thesaurus/synonyms>.
MLASmart Define. "validation thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/validation/thesaurus/synonyms>