126 entries under confirm topic. ×

48
pledge(noun, verb, support, order, accept)
47
promise(noun, verb, support, order, give)
39
warrant(noun, verb, support, cover, maintain)
35
assure(verb, support, state, cover, maintain)
32
ensure(verb, settle, agree, declare, approve)
19
vow(noun, verb, support, maintain, pass)
17
certify(verb, support, state, maintain, praise)
16
insure(verb, cover, secure, agree, back)
15
secure(verb, give, cover, agree, back)
14
vouch(verb, support, state, give, maintain)
13
attest(verb, support, state, maintain, praise)
13
vouch for(verb, expression, phrasal verb, support, help)
13
cinch(noun, verb, phrasal verb, state, cover)
12
affirm(verb, support, state, maintain, praise)
12
swear(verb, state, maintain, declare, agreement)
11
underwrite(verb, support, help, cover, promote)
10
endorse(verb, support, state, maintain, secure)
9
back(verb, support, help, maintain, promote)
8
make sure(verb, expression, idiom, support, secure)
8
sponsor(verb, support, help, maintain, promote)
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APASmart Define. (2015). guarantee thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/guarantee/thesaurus/synonyms
ChicagoSmart Define. 2015. "guarantee thesaurus" https://smartdefine.org/guarantee/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, guarantee thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/guarantee/thesaurus/synonyms>.
MLASmart Define. "guarantee thesaurus" 24 December 2015. Web. 26 September 2026. <https://smartdefine.org/guarantee/thesaurus/synonyms>