lightsome

adjectives

moving easily and quickly; nimble
"the dancer was light and graceful"; "a lightsome buoyant step"; "walked with a light tripping step"
light, lightsome, tripping
is derived from
lightsomeness
carefree and happy and lighthearted
"was loved for her blithe spirit"; "a merry blithesome nature"; "her lighthearted nature"; "trilling songs with a lightsome heart"
blithe, blithesome, light-hearted, lighthearted, lightsome
is derived from
lightsomeness