glow 
(glō)
(glō)intr.v. glowed, glow·ing, glows
1. To shine brightly and steadily, especially without a flame: Embers glowed in the furnace.
2.
a. To have a bright, warm, usually reddish color: The children's cheeks glowed from the cold.
b. To flush; blush.
3. To be exuberant or radiant: parents glowing with pride.
n.
1. A light produced by a body heated to luminosity; incandescence.
2. Brilliance or warmth of color, especially redness: "the evening glow of the city streets when the sun has gone behind the tallest houses" (Seán O'Faoláin).
3. A sensation of physical warmth.
4. A warm feeling, as of pleasure or well-being.
[Middle English glouen, from Old English glōwan; see ghel-2 in the Appendix of Indo-European roots.]