Synonyms|222Antonyms|5|Broader|2Narrower|0Related|61
10
determined(verb, proved)
9
established(verb, proved)
7
confirmed(verb, proved)
6
certified(verb, proved)
6
determinate
6
verified(verb, proved)
5
assured
5
demonstrated(verb, proved)
5
discovered(verb, adjective)
5
proven(verb, adjective, proved)
4
certain(adjective, valid, undoubtable)
4
decided(verb, certainty)
4
proved(verb, proved)
4
settled
4
substantiated
3
checked
3
fixed
3
guaranteed
3
observed
2
recognized(verb, knowledge)
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ChicagoSmart Define. 2015. "ascertained thesaurus" https://smartdefine.org/ascertained/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, ascertained thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/ascertained/thesaurus/synonyms>.
MLASmart Define. "ascertained thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/ascertained/thesaurus/synonyms>