35 entries under approval topic. ×

9
affirming(verb, proof, verification, endorsement)
9
verifying(verb, adjective, proof, verification)
8
authenticating(verb, proof, specific, decisive)
7
corroborating(verb, adjective, proof, verification)
7
sanctioning(verb, proof, verification, endorsement)
7
supporting(verb, proof, verification, endorsement)
5
accepting(verb, proof, verification, endorsement)
5
authorizing(verb, proof, verification, endorsement)
4
proving(verb, proof, specific, decisive)
3
validation(noun, proof, confirmation, verification)
2
passing(verb, proof, verification, endorsement)
1
acceptance(noun, proof, verification, endorsement)
1
admission(noun, proof, verification, endorsement)
1
agreement(noun, proof, verification, endorsement)
1
assent(noun, proof, verification, endorsement)
1
authentication(noun, proof, verification, endorsement)
1
authorization(noun, proof, verification, endorsement)
1
consent(noun, proof, verification, endorsement)
1
corroboration(noun, proof, verification, endorsement)
1
endorsement(noun, proof, verification, validation)
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APASmart Define. (2015). validating thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/validating/thesaurus/synonyms
ChicagoSmart Define. 2015. "validating thesaurus" https://smartdefine.org/validating/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, validating thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/validating/thesaurus/synonyms>.
MLASmart Define. "validating thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/validating/thesaurus/synonyms>