brisk
buoyant
calm
carefree
cheerful
cheery
comfortable
complacent
contented
ecstatic
elated
enthusiastic
excited
exhilarated
generous
glad
grateful
hilarious
inspired
jolly
joyous
lighthearted
merry
optimistic
peaceful
playful
pleased
relaxed
restive
satisfied
serene
sparkling
spirited
surprised
vivacious