To make cheerful
(Verb)
To become cheerful
(Verb)
Synonyms:
  1. cheer
  2. improve in outlook
  3. improve in spirits
  4. improve in mood
  5. perk up
  6. take-heart
  7. brighten
  8. brighten-up
  9. be comforted
  10. jolly along
  11. chirk-up
  12. jolly up