117 entries under confirm topic. ×

5
guarantee(verb, support, state, maintain, back)
5
validate(verb, support, state, show, maintain)
5
vow(verb, support, maintain, back, declare)
4
approve(verb, state, show, present)
4
authenticate(verb, support, state, show, determine)
4
contend(verb, support, state, present, maintain)
4
support(verb, show, maintain, secure, back)
3
answer for(expression, support, maintain, secure, back)
3
ascertain(verb, state, show, present, determine)
3
back(verb, support, show, maintain, determine)
3
bear out(verb, expression, phrasal verb, support, show)
3
bring forward(verb, expression, state, maintain, tell)
3
cosign(verb, support, maintain, secure, back)
3
endorse(verb, support, state, maintain, secure)
3
insist(verb, state, maintain, oppose, declare)
3
pronounce(verb, state, give, mean, show)
3
render(verb, state, maintain, tell, reveal)
3
set(verb, state, show, present, maintain)
3
stand up for(verb, expression, idiom, phrasal verb, support)
3
sustain(verb, show, determine, prove)
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APASmart Define. (2015). testify thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/testify/thesaurus/synonyms
ChicagoSmart Define. 2015. "testify thesaurus" https://smartdefine.org/testify/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, testify thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/testify/thesaurus/synonyms>.
MLASmart Define. "testify thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/testify/thesaurus/synonyms>