209 entries under noun topic. ×

3
license(support, sanction, authorization, blessing)
3
manifestation(display, evidence, presentation, illustration)
3
nod(approval, proof, commendation, blessing)
3
passing(approval, authorization, proof, confirmation)
3
stamp
3
testimonial(true, approval, evidence, authorization)
3
visa(approval, encouragement, proof, confirmation)
2
accord(approval, proof, confirmation, verification)
2
acknowledgment
2
assertion
2
basis(reason, approval, argument, explanation)
2
brass
2
constitution
2
deposition(information, reason, picture, evidence)
2
designation
2
entitlement
2
exhibit(information, reason, picture, evidence)
2
formation
2
governance
2
illustration(display, evidence, presentation)
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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>