Pronunciation: (kum-plā'sun-sē),[key] —n., —pl.-cies. 1. a feeling of quiet pleasure or security, often while unaware of some potential danger, defect, or the like; self-satisfaction or smug satisfaction with an existing situation, condition, etc.
2. Archaic. a. friendly civility; inclination to please; complaisance.
b. a civil act. Also,com•pla•cencePronunciation: (kum-plā'suns).[key]