404 entries under verb topic. ×

2
swear up and down(expression, idiom, state, maintain)
2
tackle(accept, start, try, assume)
2
vouchsafe(promise, swear, vow)
1
aid(noun, support, maintain, favor)
1
accede(secure, agree, back, declare)
1
act as a witness(expression, idiom, support, maintain)
1
address oneself(expression, accept, start, try)
1
advocate(support, maintain, praise, favor)
1
affiance(noun, pass, agree, catch)
1
agree to(expression, accept, start, secure)
1
apologize for(expression, support, maintain, favor)
1
argue(support, maintain, favor, back)
1
arrange(order, detail, provide, confirm)
1
authorize(support, state, praise, favor)
1
avert(support, maintain, back, declare)
1
bank(support, promote, back, finance)
1
be responsible for(support, help, maintain, promote)
1
be surety for(support, incite, promise, assure)
1
bear one out(expression, idiom, support, maintain)
1
bear out(expression, confirm, authorize, validate)
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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>