The Collaborative International Dictionary of English v.0.48:
deputise \dep"u*tise\ (d[e^]p"[-u]*t[imac]z), v. t. same as deputize. Syn: depute, deputize. [WordNet 1.5]WordNet (r) 3.0 (2006):
deputise v 1: act as a substitute; "She stood in for the soprano who suffered from a cold" [syn: substitute, deputize, deputise, step in] 2: appoint as a substitute [syn: depute, deputize, deputise]