141 entries under promise topic. ×

8
covenant(noun, verb, agree, declare, agreement)
7
take an oath(verb, expression, idiom, declare, approve)
6
adjure(show, confirm, prove, appear)
6
maintain(verb, support, state, hold, press)
5
engage(verb, agree, declare, contract, commit)
5
give one's word(verb, expression, idiom, declare)
5
stipulate(verb, show, present, agree, declare)
4
administer an oath(expression, idiom)
4
have confidence in(verb, expression, idiom, phrasal verb, declare)
4
plight(noun, verb, agree, declare, agreement)
4
witness(verb, law, support, state, give)
3
evidence(verb, support, show, present, maintain)
3
evince(verb, support, state, present, maintain)
3
four-letter word(noun, expression, idiom, curse)
3
support(verb, state, show, maintain, secure)
2
affiance(noun, verb, declare, agreement, contract)
2
answer for(verb, expression, support, maintain, secure)
2
asservate(verb, state, show, press, maintain)
2
betroth(verb, declare, commit, undertake, affirm)
2
bind oneself(verb, expression, idiom, support, maintain)
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APASmart Define. (2016). swear thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/swear/thesaurus/synonyms
ChicagoSmart Define. 2016. "swear thesaurus" https://smartdefine.org/swear/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, swear thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/swear/thesaurus/synonyms>.
MLASmart Define. "swear thesaurus" 31 March 2016. Web. 29 September 2026. <https://smartdefine.org/swear/thesaurus/synonyms>