from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Providing light; luminous.
- adj. Covered with or full of light; bright.
- adj. Light, nimble, or graceful in movement.
- adj. Free from worry or care; cheerful.
- adj. Frivolous; silly.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Emitting or manifesting light; luminous, radiant.
- adj. Upbeat; cheery; light graceful.
from the GNU version of the Collaborative International Dictionary of English
- adj. Having light; lighted; not dark or gloomy; bright.
- adj. Gay; airy; cheering; exhilarating.
from The Century Dictionary and Cyclopedia
- Emitting or manifesting light; luminous; not dark.
- Having the quality of lightness or buoyancy; light-hearted; cheerful or cheering; gay; airy; sportive.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. carefree and happy and lighthearted
- adj. moving easily and quickly; nimble
What idea is more beguiling than the notion of lightsome spirits, free of time and space and human weakness, hovering between us and all harm?
But what is lightsome and blithe in her, was debonaire in him.
I could neither laugh with nor at the solemn utterances of men I esteemed ponderous asses; nor could I laugh, nor engage in my old-time lightsome persiflage, with the silly superficial chatterings of women, who, underneath all their silliness and softness, were as primitive, direct, and deadly in their pursuit of biological destiny as the monkeys women were before they shed their furry coats and replaced them with the furs of other animals.
We see in needle-works and embroideries, it is more pleasing to have a lively work, upon a sad and solemn ground, than to have a dark and melancholy work, upon a lightsome ground: judge therefore of the pleasure of the heart, by the pleasure of the eye.
Beneath, the scene was open and lightsome, and the robin redbreast was chirping his best, to atone for the absence of all other choristers.
Sallys, the latent vapour in the earth, the drooping leaves and flowers, the birds and beasts and creeping things, the gardeners to sweep the dewy turf and unfold emerald velvet where the roller passes, the smoke of the great kitchen fire wreathing itself straight and high into the lightsome air.
“Mony a dainty ane,” said Madge; “and blithely can I sing them, for lightsome sangs make merry gate.”
And I dressed me again, and got my armour upon me, and afterward was I in a more lightsome state of the mind; and yet very ready to come again unto my sleep.
Presently, when I had come near to being comfortable, there chanced a lightsome step upon the floor behind me, and, turning, I discovered that Mistress Madison was surveying me with a roguish and somewhat amused air.
If none of these courses help, the best way is to make artificial air, which howsoever is profitable and good, still to be made hot and moist, and to be seasoned with sweet perfumes,  pleasant and lightsome as it may be; to have roses, violets, and sweet-smelling flowers ever in their windows, posies in their hand.