9
asseverate(verb, support, state, maintain, agree)
9
determine(verb, make, end, fix, clear)
9
permit(verb, support, state, clear, accept)
9
profess(verb, support, state, accept, maintain)
9
witness(verb, support, state, show, maintain)
8
avow(verb, support, state, accept, maintain)
8
back up(verb, expression, phrasal verb, support, maintain)
8
buttress(verb, support, help, increase, keep)
8
consent(verb, support, state, clear, accept)
8
ensure(verb, support, maintain, secure, settle)
8
evidence(noun, verb, support, show, maintain)
8
fix(verb, clear, show, determine, complete)
8
invigorate(verb, support, increase, encourage, establish)
8
seal(verb, support, fix, clear, show)
8
secure(verb, support, maintain, establish, protect)
8
swear(verb, support, state, show, maintain)
7
accept(verb, support, state, take, clear)
7
agree(verb, support, state, accept, settle)
7
announce(verb, state, show, maintain, agree)
7
assent(verb, support, accept, favor, agree)
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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>