Synonyms and related words :
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