2
adjust(verb, settle, agree, sign, engage)
2
admission(noun, agreement, authorization, consent, affirmation)
2
adumbrate(verb, determine, point, hint, say)
2
adumbration(noun, warrant, accreditation, hostage, sober-mindedness)
2
allow
2
approval(noun, leave, agreement, arrangement, contract)
2
arrange(verb, order, settle, agree, sign)
2
aspiration(noun, desire, concern, belief, confidence)
2
assertion(noun, support, assurance, security, pledge)
2
attestation(noun, agreement, contract, assurance, pledge)
2
augur well(expression, idiom)
2
auspice(prediction, divination, prophesy)
2
authorize(verb, hold, give, charge, use)
2
avow(verb, assert, undertake, affirm, pledge)
2
become indebted(expression, settle, agree, sign, engage)
2
bind(verb, give, contract, pledge, marry)
2
bound(verb, settle, agree, sign, engage)
2
buy(verb, set, settle, join, agree)
2
capacity(noun, hope, possibility)
2
carry(verb, accept, use, approve, pick)
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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>