12 entries under ascertains topic. ×

5
certifies(verb, affirms, guarantees)
3
ascertains
3
confirms
3
verifies(verb, affirms)
2
checks(noun, verb)
2
determines
2
substantiates
1
audits
1
demonstrates
1
double-checks
1
establishes
1
proves
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APASmart Define. (2013). assures thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/assures/thesaurus/synonyms
ChicagoSmart Define. 2013. "assures thesaurus" https://smartdefine.org/assures/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2013, assures thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/assures/thesaurus/synonyms>.
MLASmart Define. "assures thesaurus" 17 June 2013. Web. 27 September 2026. <https://smartdefine.org/assures/thesaurus/synonyms>