The Collaborative International Dictionary of English v.0.48:
make believe \make" be*lieve`\, v. i. To pretend; -- often used with that, but often having the that omitted; as, he made believe he didn't hear her; or he made believe that he didn't hear her. [PJC]WordNet (r) 3.0 (2006):
make believe v 1: represent fictitiously, as in a play, or pretend to be or act like; "She makes like an actress" [syn: make, pretend, make believe]