'Merry' in the Bible

After awhile, when their hearts were merry, they said, "Call Samson and let him entertain us." And they called Samson {from the prison}, and {he entertained them}. And they made him stand between the pillars.

And Boaz ate and drank [until] his heart was {merry} [and then] he came to lie at the end of the grain heap. And she came in quietly and {uncovered} his feet and lay down.

On the seventh day, when the heart of the king was merry with wine, he said to Mehuman, Biztha, Harbona, Bigtha, Abagtha, Zethar, and Carcas, seven of the eunuchs attending King Ahasuerus,

Go--eat your food with joy, and drink your wine with a merry heart! For God already has approved your deeds.

[The] new wine dries up; [the] vine languishes. All [the] merry of heart sigh;

I will bring them to {my holy mountain}; I will make them merry in my house of prayer. their burnt offerings and their sacrifices {will be accepted} on my altar, for my house shall be called a house of prayer for all peoples,"

"Thus says Yahweh of hosts: 'The fast of the fourth [month], the fifth [month], the seventh [month], and the tenth [month] will be for the house of Judah jubilation and joy and merry festivals; therefore love truth and peace.'