All 4 Uses of

mirth
in
The Odyssey, by Homer (translated by: Butcher & Lang)

So heavy at heart he went his way to his house, and stood at the entering in of the gate, and wild rage gat hold of him, and he cried terribly, and shouted to all the gods: 'Father Zeus, and ye other blessed gods, that live for ever, come hither, that ye may see a mirthful thing and a cruel, for that Aphrodite, daughter of Zeus, ever dishonours me by reason of my lameness, and sets her heart on Ares the destroyer, because he is fair and straight of limb, but as for me, feeble was I born.†
Book 8

mirthful = full of fun and laughter

So Eurymachus, son of Polybus, began to speak among them, girding at Odysseus, and so made mirth for his friends: 'Hear me ye wooers of the queen renowned, that I may say that which my spirit within me bids me.†
Book 18

And the women came forth from their chamber, that aforetime were wont to lie with the wooers, making laughter and mirth among themselves.†
Book 20

Then let the divine minstrel, with his loud lyre in hand, lead off for us the measure of the mirthful dance.†
Book 23 *

mirthful = full of fun and laughter

Definition:

fun and laughter