Is there a word for the mental state of laughter?
We speak of madness when someone is in a fit of anger, and being smitten when someone is in love(with someone), etc. But what about when someone just can't stop laughing? i.e, when someone is "cracking-up" - is there a more formal word?
Solution 1:
We speak of hysterical laughter.
Solution 2:
Hilarity
Solution 3:
They are amused. Defined as being entertained by something.