Main entry: lightness, lightsomeness
Definition: the trait of being lighthearted and frivolous
Main entry: nimbleness, lightness, lightsomeness, legerity, agility
Definition: the gracefulness of a person or animal that is quick and nimble
Main entry: insouciance, carefreeness, lightheartedness, lightsomeness
Definition: the cheerful feeling you have when nothing is troubling you