This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A feeling of contentment or self-satisfaction, especially when coupled with an unawareness of danger, trouble, or controversy.

n. An instance of contented self-satisfaction.

n. A feeling of contented self-satisfaction, especially when unaware of upcoming trouble.

n. An instance of self-satisfaction

n. the feeling you have when you are satisfied with yourself

"Indeed Fifa, an organisation that brings new definition to the term complacency, has already turned a blind eye to the incident, dismissing Ahern's impassioned intervention as if it were material for a comedy sketch, a ludicrous idea."

satisfaction   

complacent   

smugness   

composure    self-satisfaction    contentment    cheerfulness    indifference