70 entries under support topic. ×

4
endorse(verb, give, set, maintain)
4
insurance(noun, agreement, contract, assurance)
4
reassure(verb, maintain, secure, protect)
3
answer for(verb, expression, phrasal verb, give)
3
attest(verb, maintain, determine, secure)
3
aver(verb, maintain, secure, confirm)
3
maintain(verb, secure, approve, uphold)
3
testify(verb, maintain, secure, declare)
2
assertion(noun, assurance, security, pledge)
2
evidence(noun, verb, mark, maintain)
2
ink(verb, give, settle, join)
2
make a deal(expression, idiom, set, negotiate)
2
offer(verb, hold, give, charge)
2
profession(noun, agreement, contract, assurance)
2
set(verb, settle, join, agree)
2
sign for(verb, expression, maintain, secure)
2
sign up(verb, expression, give, settle)
2
stake(verb, accept, maintain, start)
2
stand behind(verb, expression, maintain, secure)
2
vouch for(verb, expression, maintain, secure)
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APASmart Define. (2016). promise thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/promise/thesaurus/synonyms
ChicagoSmart Define. 2016. "promise thesaurus" https://smartdefine.org/promise/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, promise thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/promise/thesaurus/synonyms>.
MLASmart Define. "promise thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/promise/thesaurus/synonyms>