complacently
Complacently is an adverb that describes an action or state of being done in a way that shows self-satisfaction, often to the point of being unaware or unconcerned about potential dangers or faults. It suggests a feeling of smugness or contentment with one's current situation, which can sometimes lead to a lack of motivation to improve or address issues.
When someone acts complacently, they might be described as resting on their laurels, feeling that their accomplishments
The term often carries a negative connotation, implying a missed opportunity for growth or a susceptibility