USUKGlobalinformalcolloquial
- To relax, stop being so serious, tense, or upset; to adopt a more easygoing or cheerful attitude.
USUKGlobalneutraltransitive
- To make something less heavy, dark, or serious in tone; to brighten or lighten the mood, music, text, or appearance of something.
USUKGlobalneutralintransitive
- (Of weather, light, or conditions) to become brighter or less intense; to clear up or become lighter.