7 entries under confirming topic. ×

9
validating(verb, adjective, checking, evincing, proving)
8
verifying(verb, adjective, checking, proving)
6
demonstrating(verb, evincing, ascertaining)
6
establishing(noun, verb, evincing, ascertaining)
5
corroborating(verb, adjective, checking, evincing, proving)
4
authenticating(verb, checking, evincing, proving)
4
proving(verb, checking, evincing, ascertaining)
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APASmart Define. (2015). substantiating thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/substantiating/thesaurus/synonyms
ChicagoSmart Define. 2015. "substantiating thesaurus" https://smartdefine.org/substantiating/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, substantiating thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/substantiating/thesaurus/synonyms>.
MLASmart Define. "substantiating thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/substantiating/thesaurus/synonyms>