This is the 5254th most frequent French word.
amuse
"Amuse" means "to entertain or delight."
The word 'amuse' is used reflexively here (m'amuse), indicating that the speaker is engaging in enjoyable activities.
Je m'amuse beaucoup au parc avec mes amis.
I have a lot of fun at the park with my friends.
The word 'amuse' is used transitively, where he causes amusement for others, namely the children.
Il amuse les enfants avec ses blagues drôles.
He entertains the children with his funny jokes.
The word 'amusons' is used reflexively again, in the plural form, showing that enjoyment is mutual among the group.