7
avouch(verb, state, maintain, agree, allow)
7
countersign(verb, state, show, sign, approve)
7
evince(verb, support, show, maintain, determine)
7
make sure(verb, expression, support, maintain, determine)
7
subscribe to(verb, expression, support, state, accept)
6
ascertain(verb, state, make, show, determine)
6
authorise
6
bear(verb, support, help, keep, maintain)
6
bless(verb, support, accept, praise, favor)
6
bolster(verb, support, increase, keep, maintain)
6
check out(verb, expression, phrasal verb, fix, determine)
6
claim(verb, support, state, maintain, favor)
6
commission(verb, state, allow, approve, permit)
6
conclude(verb, end, fix, clear, complete)
6
confess(verb, state, accept, maintain, agree)
6
countenance(verb, support, accept, maintain, promote)
6
document(verb, show, determine, explain, find)
6
double-check(verb, fix, check, determine, discover)
6
encourage(verb, support, help, accept, maintain)
6
entrench(verb, establish, root, embed, ingrain)
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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>