13
substantiated(verb, adjective, evinced, evidential)
11
certified(verb, adjective, affirmed, evinced, evidential)
10
supported(verb, adjective, substantiated, affirmed, evinced)
10
confirmed(verb, adjective, substantiated, evinced, evidential)
9
verified(verb, adjective, substantiated, affirmed)
9
validated(verb, adjective, substantiated, affirmed, evinced)
8
proven(verb, adjective, substantiated, evinced, evidential)
7
attested(verb, affirmed, evinced)
7
authenticated(verb, substantiated, evinced)
5
demonstrated(verb, adjective, evinced, evidential)
5
determined(verb, evinced)
5
vouched(verb, adjective, evinced, evidential)
4
affirmed(verb, affirmed)
4
proved(verb, substantiated, evinced)
4
testified(verb, adjective, affirmed, evinced, evidential)
4
witnessed(verb, adjective, evinced, evidential)
3
acknowledged(verb, affirmed)
3
averred(verb, affirmed)
3
documented(verb, adjective, evinced, evidential)
3
endorsed(verb, affirmed)
<123457>
11 years ago|8.4k views|share |citing 
APASmart Define. (2015). corroborated thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/corroborated/thesaurus/synonyms
ChicagoSmart Define. 2015. "corroborated thesaurus" https://smartdefine.org/corroborated/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, corroborated thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/corroborated/thesaurus/synonyms>.
MLASmart Define. "corroborated thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/corroborated/thesaurus/synonyms>