pledge

1 something given or held to assure that the giver will keep a promise I was required to leave my keys as a pledge that I would bring the car back Synonyms gage, guarantee, guaranty, pawn, security Related Words bail, bond; deposit, down payment, earnest, handsel; surety, warranty; assurance, oath, promise, troth, word; commitment, compact, contract, covenant; recognizance

2 a person's solemn declaration that he or she will do or not do something made a pledge to quit smoking Synonyms oath, promise, troth, vow, wordRelated Words appointment, arrangement, commitment, engagement, obligation; agreement, compact, contract, covenant; assurance, guarantee, guaranty, undertaking; bail, bond, deposit, gage, pawn, security, token, warranty

1 to obligate by prior agreement I would love to go to dinner with you, but I've pledged myself to a play with my parents that night Synonyms commit, engage, mortgage, troth Related Words affiance, betroth, plight, promise, swear, vow; contract, enlist, enroll (also enrol), sign on, sign up; overcommit Near Antonyms renege

2 to leave as a guarantee of repayment of a loan pledged their house against the loan Synonyms hock, pawnRelated Words deposit, mortgage; bondNear Antonyms buy (back), redeem, win (back)

3 to make a solemn declaration of intent I pledge that I will abide by all of the rules of this organization Synonyms covenant, promise, swear, vowRelated Words affiance, betroth, plight, troth; accede, agree, assent, consent; contract, engage, ensure, guarantee, undertake; affirm, assert, aver, avouch, avow, declare, insist, warrant