Word Study
deputize
OXFORD DICTIONARY
deputize, v.intr. (also -ise) (usu. foll. by for) act as a deputy or understudy.
THESAURUS
deputize
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, warrantFor further exploring for "deputize" in Webster Dictionary Online