76 entries under approval topic. ×

20
confirmation(noun, support, information, reason, display)
14
verification(noun, information, reason, true)
14
proof(noun, display, true, evidence)
12
authentication(noun, information, reason, true)
11
sanction(noun, support, evidence, authorization)
10
authorization(noun, support, sanction, evidence)
10
endorsement(noun, support, sanction, evidence)
10
evidence(noun, information, reason, display, true)
9
ratification(noun, support, sanction, evidence)
9
support(noun, reason, argument, sanction)
7
warrant(noun, information, reason, true)
5
acceptance(noun, authorization, proof, confirmation)
5
admission(noun, proof, confirmation, verification)
5
agreement(noun, support, sanction, evidence)
5
assent(noun, support, sanction, evidence)
5
consent(noun, support, sanction, evidence)
3
go ahead(noun, expression, proof, confirmation)
3
green light(noun, expression, support, sanction)
3
nod(noun, proof, commendation, blessing)
3
passing(noun, authorization, proof, confirmation)
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APASmart Define. (2015). validation thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/validation/thesaurus/synonyms
ChicagoSmart Define. 2015. "validation thesaurus" https://smartdefine.org/validation/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, validation thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/validation/thesaurus/synonyms>.
MLASmart Define. "validation thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/validation/thesaurus/synonyms>