1. brighten - Adjective
2. brighten - Verb
To make bright or brighter; to make to shine; to increase the luster of; to give a brighter hue to.
To make illustrious, or more distinguished; to add luster or splendor to.
To improve or relieve by dispelling gloom or removing that which obscures and darkens; to shed light upon; to make cheerful; as, to brighten one's prospects.
To make acute or witty; to enliven.
To grow bright, or more bright; to become less dark or gloomy; to clear up; to become bright or cheerful.
Source: Webster's dictionaryThere is a single light of science, and to brighten it anywhere is to brighten it everywhere. Isaac Asimov
How blessings brighten as they take their flight. Edward Young
Sino-Japanese relations will certainly brighten more in the future and the flowers of friendly Sino-Japanese relations will increase their beauty. Wen Jiabao
A single gentle rain makes the grass many shades greener. So our prospects brighten on the influx of better thoughts. We should be blessed if we lived in the present always, and took advantage of every accident that befell us. Henry David Thoreau
There are moments of life that we never forget, which brighten and brighten as time steals away. James Gates Percival
Blessings brighten as they take their flight. Italian Proverb