lightsomeness

nouns

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