113 entries under guarantee topic. ×

4
ratify(verb, settle, affirm)
4
stand behind(verb, expression, support, maintain, secure)
4
undertake(verb, agree, declare, approve, uphold)
4
validate(verb, state, settle, confirm, affirm)
3
back(verb, support, maintain, secure, declare)
3
brace up(verb, expression, phrasal verb, promise)
3
buck up(verb, expression, phrasal verb, encourage, inspire)
3
commit(verb, agree, declare, undertake, affirm)
3
declare(verb, support, state, maintain, back)
3
maintain(verb, support, secure, back, declare)
3
nail down(verb, expression, phrasal verb, secure, establish)
3
protect(verb, support, cover, keep, maintain)
3
soothe(verb, calm, encourage, relax, comfort)
3
stipulate(verb, agree, declare, approve, uphold)
2
answer for(verb, expression, support, maintain, secure)
2
approve(verb, state, confirm, uphold, authorize)
2
assent(noun, verb, agree, declare, commit)
2
authenticate(state, settle, confirm, verify)
2
bag(verb, informal, promise, pledge)
2
consent(verb, agree, declare, commit, undertake)
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APASmart Define. (2015). assure thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/assure/thesaurus/synonyms
ChicagoSmart Define. 2015. "assure thesaurus" https://smartdefine.org/assure/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, assure thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/assure/thesaurus/synonyms>.
MLASmart Define. "assure thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/assure/thesaurus/synonyms>