15
show(verb, support, state, show, maintain)
15
sustain(verb, support, show, increase, keep)
14
demonstrate(verb, support, state, check, show)
14
uphold(verb, support, help, show, accept)
13
back(verb, support, help, show, accept)
13
fortify(verb, support, strong, increase, encourage)
12
aver(verb, support, state, show, maintain)
12
sign(noun, verb, name, support, accept)
12
warrant(verb, support, show, maintain, determine)
11
assert(verb, support, state, show, maintain)
11
clinch(verb, state, fix, clear, maintain)
11
guarantee(noun, verb, support, state, maintain)
11
justify(verb, support, show, increase, maintain)
11
reinforce(verb, support, increase, encourage, establish)
11
testify(verb, support, state, show, maintain)
10
strengthen(verb, strong, encourage, delight, cheer)
10
check(verb, show, determine, examine, try)
10
state(verb, maintain, agree, allow, declare)
10
vouch(verb, state, give, maintain, agree)
9
accredit(verb, support, state, accept, praise)
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APASmart Define. (2015). confirm thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/confirm/thesaurus/synonyms
ChicagoSmart Define. 2015. "confirm thesaurus" https://smartdefine.org/confirm/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, confirm thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/confirm/thesaurus/synonyms>.
MLASmart Define. "confirm thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/confirm/thesaurus/synonyms>