ROGET THESAURUS
cheer up
Cheerfulness
VB
be cheerful, have the mind at ease, smile, put a good face upon, keep up one's spirits, view the bright side of the picture, view things en couleur de rose, ridentem dicere virum,
cheer up, brighten up, light up, bear up, chirp, take heart, cast away care, drive dull care away, perk up, keep a stiff upper lip, rejoice, carol, chirrup, lilt, frisk, rollick, give a loose to mirth, cheer, enliven, elate, exhilarate, gladden, inspirit, animate, raise the spirits, inspire, perk up, put in good humor, cheer the heart, rejoice the heart, delight.