Verses with the word cheerful in the Old Testament (3 verses):

Proverbs 15:13
A merry heart maketh a cheerful countenance: but by sorrow of the heart the spirit is broken.

Zechariah 8:19
Thus saith the LORD of hosts; The fast of the fourth month, and the fast of the fifth, and the fast of the seventh, and the fast of the tenth, shall be to the house of Judah joy and gladness, and cheerful feasts; therefore love the truth and peace.

Zechariah 9:17
For how great is his goodness, and how great is his beauty! corn shall make the young men cheerful, and new wine the maids.