126 entries under confirm topic. ×

1
be responsible for(verb, support, help, maintain, promote)
1
bear out(verb, expression, authorize, validate)
1
bear testimony(verb, expression, support, maintain, back)
1
boost(noun, verb, support, praise, favor)
1
commend(verb, support, praise, favor, back)
1
commission(state, agreement, recognize, record)
1
contend(verb, support, maintain, back, declare)
1
cross heart(verb, expression, state, maintain, agree)
1
effect(verb, safeguard)
1
favor(noun, verb, support, back, approve)
1
get behind(verb, expression, phrasal verb, support, maintain)
1
give a boost to(verb, expression, idiom, support, praise)
1
give an affidavit(verb, expression, idiom, support, maintain)
1
give assurance(verb, expression, support, maintain, back)
1
give green light(verb, expression, idiom, support, praise)
1
give the go-ahead(verb, expression, idiom, support, praise)
1
give the nod(verb, expression, idiom, support, praise)
1
go to bat for(verb, expression, idiom, support, maintain)
1
go with(verb, expression, support, praise, favor)
1
have a lock on(expression, idiom, state, maintain, secure)
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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>