1. self-complacent - Adjective
2. self-complacent - Adjective Satellite
Satisfied with one's own character, capacity, and doings; self-satisfied.
Source: Webster's dictionaryThe common idea that success spoils people by making them vain, egotistic and self-complacent is erroneous; on the contrary it makes them, for the most part, humble, tolerant and kind. W. Somerset Maugham
he had become complacent after years of success Source: Internet
his self-satisfied dignity Source: Internet