The Collaborative International Dictionary of English v.0.48:
Self-complacent \Self`-com*pla"cent\, a. Satisfied with one's own character, capacity, and doings; self-satisfied. [1913 Webster]WordNet (r) 3.0 (2006):
self-complacent adj 1: contented to a fault with oneself or one's actions; "he had become complacent after years of success"; "his self- satisfied dignity" [syn: complacent, self-satisfied, self-complacent]