The Collaborative International Dictionary of English v.0.48:
plagiarise \pla"gia*rise\ v. t. Same as plagiarize. [mostly Brit.] Syn: plagiarize, lift. [WordNet 1.5]WordNet (r) 3.0 (2006):
plagiarise v 1: take without referencing from someone else's writing or speech; of intellectual property [syn: plagiarize, plagiarise, lift]