160 entries under support topic. ×

45
confirm(verb, state, show, increase)
33
substantiate(verb, show, increase, present)
32
verify(verb, state, show, maintain)
27
authenticate(verb, state, show, determine)
25
validate(verb, state, show, determine)
24
certify(verb, state, show, maintain)
23
affirm(verb, state, show, maintain)
20
prove(verb, state, show, maintain)
19
show(verb, state, show, determine)
17
attest(verb, state, show, determine)
16
establish(verb, show, increase, maintain)
16
ratify(verb, show, determine, back)
16
sustain(verb, show, increase, determine)
15
bear out(verb, expression, phrasal verb, show)
13
back(verb, show, present, determine)
13
demonstrate(verb, state, show, determine)
13
endorse(verb, state, show, establish)
12
uphold(verb, show, maintain, determine)
11
warrant(verb, state, show, maintain)
9
vouch(verb, state, give, back)
<123458>
11 years ago|14k views|share |citing 
APASmart Define. (2015). corroborate thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/corroborate/thesaurus/synonyms
ChicagoSmart Define. 2015. "corroborate thesaurus" https://smartdefine.org/corroborate/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, corroborate thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/corroborate/thesaurus/synonyms>.
MLASmart Define. "corroborate thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/corroborate/thesaurus/synonyms>