— lightheartedly , adv. — lightheartedness , n.
/luyt"hahr"tid/ , adj.
carefree; cheerful; gay: a lighthearted laugh.
[ 1375-1425; late ME ligt-herted; see LIGHT 2 , HEART, -ED 3 ]
Syn . cheery, joyful, blithe, happy, glad, merry, jovial, jocund.
Ant . cheerless, melancholy, gloomy.