'Joyful' in the Bible

All the people went up after him, and they were playing on flutes and rejoicing with great joy, so that the earth shook and seemed to burst open with their [joyful] sound.

On the eighth day he sent the people away: and they blessed the king, and went unto their tents joyful and glad of heart for all the goodness that the LORD had done for David his servant, and for Israel his people.

Jezebel his wife said to him, “Do you now reign over Israel? Arise, eat bread, and let your heart be joyful; I will give you the vineyard of Naboth the Jezreelite.”