Synonyms|673Antonyms|118|Broader|13Narrower|17Related|401

373 entries under verb topic. ×

34
corroborate(support, show, increase, present)
32
confirm(support, check, show, increase)
32
verify(support, hold, help, check)
25
validate(support, check, show, determine)
24
authenticate(support, show, determine, establish)
23
support(help, show, increase, maintain)
21
certify(support, show, maintain, determine)
21
prove(support, check, show, maintain)
20
affirm(support, show, maintain, determine)
19
establish(support, hold, help, show)
16
attest(support, show, determine, back)
16
bear out(expression, phrasal verb, support, hold)
16
demonstrate(support, check, show, determine)
16
show(support, show, determine, establish)
15
ratify(support, show, determine, back)
14
sustain(support, hold, help, show)
12
manifest(show, determine, character, establish)
11
back(support, hold, help, show)
10
embody(show, character, establish, express)
10
incarnate(show, character, establish, declare)
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APASmart Define. (2015). substantiate thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/substantiate/thesaurus/synonyms
ChicagoSmart Define. 2015. "substantiate thesaurus" https://smartdefine.org/substantiate/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, substantiate thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/substantiate/thesaurus/synonyms>.
MLASmart Define. "substantiate thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/substantiate/thesaurus/synonyms>