45
confirm(verb, support, state, show, increase)
33
substantiate(verb, support, show, increase, present)
32
verify(verb, support, state, show, maintain)
27
authenticate(verb, support, state, show, determine)
27
support(verb, show, increase, maintain, establish)
25
validate(verb, support, state, show, determine)
24
certify(verb, support, state, show, maintain)
23
affirm(verb, support, state, show, maintain)
20
prove(verb, support, state, show, maintain)
19
show(verb, support, state, show, determine)
17
attest(verb, support, state, show, determine)
16
establish(verb, support, show, increase, maintain)
16
ratify(verb, support, show, determine, back)
16
sustain(verb, support, show, increase, determine)
15
bear out(verb, expression, phrasal verb, support, show)
13
back(verb, support, show, present, determine)
13
demonstrate(verb, support, state, show, determine)
13
endorse(verb, support, state, show, establish)
12
strengthen(verb, powerful, story, fortify, verify)
12
uphold(verb, support, show, maintain, determine)
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APASmart Define. (2015). corroborate thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/corroborate/thesaurus/synonyms
ChicagoSmart Define. 2015. "corroborate thesaurus" https://smartdefine.org/corroborate/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, corroborate thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/corroborate/thesaurus/synonyms>.
MLASmart Define. "corroborate thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/corroborate/thesaurus/synonyms>