11
confirmed(verb, adjective, evinced, evidential, ascertained)
11
corroborated(verb, adjective, evinced, evidential)
11
proven(verb, adjective, firm, solid, logical)
10
verified(verb, adjective, truth, ascertained)
9
demonstrated(verb, adjective, evinced, evidential, ascertained)
8
certified(verb, adjective, evinced, evidential, ascertained)
8
supported(verb, adjective, assured, confirmed, evinced)
8
validated(verb, adjective, evinced, evidential)
7
attested(verb, evinced)
7
authenticated(verb, adjective, approved, supported, confirmed)
6
ascertained(verb, ascertained)
6
proved(verb, evinced, ascertained)
5
determined(verb, evinced, ascertained)
5
testified(verb, adjective, evinced, evidential)
5
vouched(verb, adjective, evinced, evidential)
4
documented(verb, adjective, evinced, evidential)
3
declared(verb, evinced)
3
endorsed(verb, adjective, approved, supported, confirmed)
3
exemplified(verb, adjective, evinced, evidential)
3
exhibited(verb, adjective, evinced, evidential)
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APASmart Define. (2015). substantiated thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/substantiated/thesaurus/synonyms
ChicagoSmart Define. 2015. "substantiated thesaurus" https://smartdefine.org/substantiated/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, substantiated thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/substantiated/thesaurus/synonyms>.
MLASmart Define. "substantiated thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/substantiated/thesaurus/synonyms>