An example of joyful is a choir singing upbeat music in church; making joyful music.
A flood of brilliant, joyful light poured from her transfigured face.
Have just this moment received by special messenger very joyful news--if it's not false.
He looked at Natasha as she sang, and something new and joyful stirred in his soul.
Conquest's joyful thunder waken, Triumph, valiant Russians, now!...
froh, glad, joyful and "frolic."