Synonyms and related words :
accredit, act for, answer for, appear for, arm, assign, authorize, back up, charge, charter, clothe, clothe with power, commission, commit, consign, delegate, depute, designate an agent, detach, detail, devolute, devolve, devolve upon, empower, enable, endow, endue, entrust, front for, give in charge, invest, license, mission, pinch-hit for, post, represent, send out, speak for, stand in for, substitute for, transfer, understudy, warrant