lightsomeness
(noun)
noun
1. the cheerful feeling you have when nothing is troubling you
Similar word(s): carefreeness, insouciance, lightheartedness
Definition categories: feeling, blitheness, cheerfulness
2. the gracefulness of a person or animal that is quick and nimble
Similar word(s): agility, legerity, lightness, nimbleness
Definition categories: attribute, gracefulness
3. the trait of being lighthearted and frivolous
Similar word(s): lightness