In a complacent manner; overly calm and contented; not troubled.

Uncritically satisfied with oneself or one's achievements; smug. / Apathetic with regard to an apparent need or problem.

A feeling of contented self-satisfaction, especially when unaware of upcoming trouble. / Passivity as a result of contentment with the current situation.

(archaic) Being complacent; a feeling of contentment or satisfaction; complacency. / (obsolete) Delight, pleasure. / (obsolete) Complaisance; a willingness to comply with others' wishes.

plural of complacency

plural of complacence

Complacently self-satisfied

The quality of being self-complacent.

Overconfidence in an automated machine or process.