joyful: experiencing, causing, or showing joy
joy: the emotion evoked by well-being, success, or good fortune or by the prospect of possessing what one desires
I'm amazed how many songs I remember from music class in elementary school. One of them was "Oh be joyful."
Oh be joyful, oh be jubilant,
Put your sorrows far away.
Come rejoice and sing together
This happy day.
I hope finding this cache makes you joyful! 