From The Collaborative International Dictionary of English v.0.48:
Cheery \Cheer"y\, a.
Displaying evident cheerfulness; cheerful; lively; gay;
bright; pleasant; as, a cheery person; a cheery hello.
Syn: pleasant, sunny.
[1913 Webster + WordNet 1.5]
His cheery little study, where the sunshine
glimmered so pleasantly. --Hawthorne.
[1913 Webster]