noun
1. the quality of being cheerful and dispelling gloom
e.g. flowers added a note of cheerfulness to the drab room
Synonym: cheerfulnesssunninesssunshine
2. a cry or shout of approval
verb
1. show approval or good wishes by shouting
e.g. everybody cheered the birthday boy
2. spur on or encourage especially by cheers and shouts
e.g. The crowd cheered the demonstrating strikers
Synonym: root oninspireurgebarrackurge onexhortpep up
3. become cheerful
Synonym: cheer upchirk up
4. cause (somebody) to feel happier or more cheerful
e.g. She tried to cheer up the disappointed child when he failed to win the spelling bee
Synonym: cheer upjolly alongjolly up
5. give encouragement to
Synonym: heartenrecreateembolden