The Collaborative International Dictionary of English v.0.48:

Self-satisfaction \Self`-sat`is*fac"tion\, n.
   The quality or state of being self-satisfied.
   [1913 Webster]

WordNet (r) 3.0 (2006):

self-satisfaction
    n 1: the feeling you have when you are satisfied with yourself;
         "his complacency was absolutely disgusting" [syn:
         complacency, complacence, self-complacency, self-
         satisfaction]