1. 
[syn: complacent, self-satisfied, self-complacent]
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]
Moby Thesaurus II by Grady Ward, 1.0:
31 Moby Thesaurus words for "self-complacent":
   bovine, complacent, consequential, narcissan, narcissine,
   narcissistic, narcistic, overproud, overweening, priggish,
   self-admiring, self-approving, self-assuming, self-congratulating,
   self-congratulatory, self-content, self-contented, self-delighting,
   self-endeared, self-esteeming, self-gratulating, self-gratulatory,
   self-important, self-loving, self-respecting, self-satisfied,
   self-sufficient, selfish, smug, vain, vainglorious