12 entries under ascertains topic. ×

10
verifies(verb, substantiates, experiments)
8
demonstrates(verb, evinces)
6
certifies(verb, evinces)
6
confirms(verb, evinces, substantiates)
4
determines(verb, evinces, experiments)
3
checks(noun, verb, experiments)
3
ascertains
3
audits(noun, verb)
3
establishes(verb, evinces)
2
substantiates(verb, evinces)
1
assures
1
double-checks
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APASmart Define. (2015). proves thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/proves/thesaurus/synonyms
ChicagoSmart Define. 2015. "proves thesaurus" https://smartdefine.org/proves/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, proves thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/proves/thesaurus/synonyms>.
MLASmart Define. "proves thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/proves/thesaurus/synonyms>