126 entries under confirm topic. ×

4
substantiate(verb, support, maintain, back, declare)
4
uphold(verb, support, maintain, favor, back)
3
answer for(verb, expression, phrasal verb, support, help)
3
approve(verb, support, state, praise, secure)
3
aver(verb, state, maintain, declare)
3
check(verb, validate)
3
establish(verb, state, settle, assert)
3
lock(noun, verb, support, secure, agreement)
3
prove(verb, support, maintain, back, declare)
3
provide(verb, order, secure, back, detail)
3
sign for(verb, expression, phrasal verb, support, maintain)
3
swear to(verb, expression, support, maintain, back)
3
validate(verb, state, settle, approve)
3
witness(verb, support, state, maintain, praise)
2
accredit(verb, support, state, control, praise)
2
ascertain(verb, state, verify)
2
assert(verb, support, state, maintain, favor)
2
asseverate(verb, support, state, maintain, back)
2
attest to(verb, expression, support, maintain, back)
2
bless(verb, support, praise, favor, back)
10 years ago|28k views|share |citing 
APASmart Define. (2015). guarantee thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/guarantee/thesaurus/synonyms
ChicagoSmart Define. 2015. "guarantee thesaurus" https://smartdefine.org/guarantee/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, guarantee thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/guarantee/thesaurus/synonyms>.
MLASmart Define. "guarantee thesaurus" 24 December 2015. Web. 28 September 2026. <https://smartdefine.org/guarantee/thesaurus/synonyms>