Synonyms for Vow:
n.give (someone) your word, vouchsafe, undertake. solemn word, word of honor, warrant, guaranty, word, plight. •promise (noun)
engagement, asseveration, mutual agreement, pact, agreement, pledge, understanding, assurance, obligation, arrangement, covenant, compact, bond, contract, word of honor, affiance, oath, stipulation.
•word of honor (noun)
•make a solemn promise (verb)
covenant, swear, promise, warrant, consecrate, plight, assure.
assure, swear, guarantee, consent, promise, agree, stipulate, pledge.
solemn word, word of honor. undertake. guaranty. warrant. word. •agree
•Other relevant words:
commitment, plight, undertaking, consecrate, vouchsafe, word, asseveration, affiance, warrant, solemn word, undertake, guaranty, word of honor.