brighten

verb5

1. •
   To make bright or brighter in color.

   • We brightened the room with a new coat of paint.
2. •
   To grow bright, or more bright in color; to clear up

   • The sun starts to brighten around this time of the year.
   • The sky brightened as the storm moved on.
3. •
   To become brighter or more cheerful in mood

   • She brightened when I changed the subject.
4. •
   (figurative) To make more cheerful and pleasant; to enliven

   • to brighten one’s prospects
   • Having Mark around the place really brightens things up.
5. •
   To make illustrious, or more distinguished; to add luster or splendor to