To make glad:
To emit light.
To join in an effort for a common cause:
To improve or refine (someone or someone's manners, appearance, etc.) as by removing crudeness or vulgarity
In a light manner; lightly.
To shed light on; illuminate.
To instill courage or life into.
To give an often deceptively attractive or improved appearance to.
(Now Rare) To brighten by rubbing or scouring; polish; burnish
In a clear manner; so as to be clear
To express praise or approval:
To burnish is to polish or shine something by rubbing.
To stimulate to action or creative effort; inspire
To provide with a shade
(Intransitive) To become deeper
(Sports) To swerve from a straight course, especially in the direction of a slice.
To lessen the activity or force of something; weaken.
Encourage is defined as to give someone hope, confidence or support.
To radiate health or high spirits
(Dated) To use or employ to good purpose; to turn to profitable account.
Find another word for brightens. In this page you can discover 29 synonyms, antonyms, idiomatic expressions, and related words for brightens, like: gladdens, lightens, shines, rallies, polishes, lights, lifts, irradiates, intensifies, inspirits and illuminates.