Meaning

noun pleasing and appropriate manner or style (especially manner or style of expression)

noun state of well-being characterized by emotions ranging from contentment to intense joy

originFrom Middle English felicite (“bliss, happiness, joy; delight, pleasure; a source of happiness; good fortune; prosperity; well-being; of a planet: in an influential position”) [and other forms], borrowed from Old French felicité (modern French félicité (“bliss, happiness; felicity”)), from Latin fēlīcitātem, the accusative singular of fēlīcitās (“fertility, fruitfulness; happiness, felicity; good…

Etymology from Wiktionary, CC BY-SA 3.0