lightsome

adjective

1. light, especially in form, appearance, or movement; airy; buoyant; agile; nimble; graceful.
2. cheerful; lighthearted.
3. frivolous; changeable.

adjective

1. emitting or reflecting light; luminous.
2. well-lighted; illuminated; bright.

adjective archaic, or poetic

1. lighthearted
2. airy or buoyant
3. not serious; frivolous

adjective archaic, or poetic

1. producing or reflecting light
2. full of or flooded with light