Verb: cheer up
- Cause (somebody) to feel happier or more cheerful
"She tried to cheer up the disappointed child when he failed to win the spelling bee";
- cheer, jolly along [informal], jolly up [informal], buck up [informal], jolly [informal]
- Become cheerful
"She finally cheered up after hearing the good news";
- cheer, buck up [informal], jolly [informal]
Derived forms: cheering up, cheered up, cheers up