Contentment is the feeling of completenss, appreciation, and "enoughness" that we experience when our needs are satisfied.
Brene Brown Atlas of the Heart p. 209
Contentment is about satisfaction, and that, ironically, is an unsatisfying idea for alot of people. It just doens't seem like emnough in a world that tells us every minute should be big and life should be OMG-level exicting at all times.
Contentment is positevely correlated iht greater life satisfaction and well being, and preliminary evidence shows that experiences of contentment might reverse the cardiovascular effects of negative emotions.
Brene Brown Atlas of the Heart p. 209-211
Life is Good