12
confirming(noun, verb, adjective, checking, proving)
10
substantiating(noun, verb, adjective, checking, proving)
10
validating(noun, verb, adjective, approval, proof)
8
supporting(verb, approval, proof, verification, endorsement)
7
checking(noun, verb, examining, proving, ascertaining)
7
confirmatory
7
corroborative
6
certifying(verb, affirming, proving, ascertaining)
6
collateral
6
confirmative
6
corroborating(noun, verb, adjective, approval, proof)
6
corroboratory
6
establishing(verb, proving, confirming, ascertaining)
6
proving(noun, verb, approval, proof, verification)
5
affirming(verb, approval, proof, verification, endorsement)
5
ascertaining(verb, proving, ascertaining)
5
demonstrating(verb, proving, confirming, ascertaining)
5
substantiative
5
validatory
4
acknowledging(noun, verb, understanding, respect, union)
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APASmart Define. (2015). verifying thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/verifying/thesaurus/synonyms
ChicagoSmart Define. 2015. "verifying thesaurus" https://smartdefine.org/verifying/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, verifying thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/verifying/thesaurus/synonyms>.
MLASmart Define. "verifying thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/verifying/thesaurus/synonyms>