accept obligation, accept the responsibility, act for, agree to, appear for, back up, be accepted for, be answerable for, be regarded as, be responsible for, be security for, be sponsor for, be taken as, bind, commission, commit, contract, count for, deputize, engage, front for, go as, go bail for, go for, have an understanding, obligate, pass as, pass for, pinch-hit for, represent, serve as, shake hands on, speak for, sponsor, stand in for, stand sponsor for, substitute for, take the blame, take the vows, understudy, undertake
be deputy, stand for, appear for, hold a brief for, answer for
, represent, stand in the shoes of, walk in the shoes of, stand in the stead of, ablegate, accredit.
promise, give a promise, undertake, engage, make an engagement, form an engagement, enter into an engagement, enter on an engagement, bind oneself, tie oneself, pledge oneself, commit oneself, take upon oneself, vow, swear, give one's word, pass one's word, pledge one's word, plight one's word, give one's honor, pass one's honor, pledge one's honor, plight one's honor, give credit, pass credit, pledge credit, plight credit, give troth, pass troth, pledge troth, plight troth, betroth, plight faith, assure, warrant, guarantee, covenant, attest, hold out an expectation, contract an obligation, become bound to, become sponsor for, answer for
, be answerable for, secure, give security, underwrite, adjure, administer an oath, put to one's oath, swear a witness.
be in debt, owe, incur a debt, contract a debt, run up a bill, run up a score, run up an account, go on tick, borrow, run into debt, get into debt, outrun the constable, run up debts, run up bills (spend), answer for
, go bail for, bill, charge.