Answer:

madness

Answer	Crossword Clue
MADNESS	Height of folly
MADNESS	Folly or fury
MADNESS	Utter folly

MADNESS	Senseless folly
MADNESS	Wild excitement
MADNESS	"O, that way .. lies": Lear
MADNESS	Folly
MADNESS	Peter Ibbetson's affliction.
MADNESS	Extreme folly.
MADNESS	Ophelia's trouble.
MADNESS	Great folly.

MADNESS	March hare visitation.
MADNESS	Craze
MADNESS	"Our House" band
MADNESS	Insanity, especially in March
MADNESS	Fury
MADNESS	Lunacy
MADNESS	Insanity