151 entries under back topic. ×

2
ride shotgun for(verb, expression, idiom, support, maintain)
2
rubber-stamp(verb, support, state, maintain, praise)
2
say so(verb, expression, support, state, maintain)
2
sign(noun, verb, secure, endorse)
2
subscribe to(verb, expression, support, praise, favor)
2
swear up and down(verb, expression, idiom, state, maintain)
1
aid(noun, verb, support, maintain, favor)
1
accede(verb, secure, agree, declare)
1
act as a witness(verb, expression, idiom, support, maintain)
1
advocate(verb, support, maintain, praise, favor)
1
agree to(verb, expression, accept, start, secure)
1
apologize for(verb, expression, support, maintain, favor)
1
argue(verb, support, maintain, favor)
1
authorize(verb, support, state, praise, favor)
1
avert(verb, support, maintain, declare)
1
bank(verb, support, promote, finance)
1
be responsible for(verb, support, help, maintain, promote)
1
bear one out(verb, expression, idiom, support, maintain)
1
bear testimony(verb, expression, support, maintain)
1
befriend(verb, support, maintain, favor)
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APASmart Define. (2015). guarantee thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/guarantee/thesaurus/synonyms
ChicagoSmart Define. 2015. "guarantee thesaurus" https://smartdefine.org/guarantee/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, guarantee thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/guarantee/thesaurus/synonyms>.
MLASmart Define. "guarantee thesaurus" 24 December 2015. Web. 23 September 2026. <https://smartdefine.org/guarantee/thesaurus/synonyms>