n. 25B6; noun
today madness is called mental illness : INSANITY, mental illness, dementia, derangement; lunacy, instability; mania, psychosis; informal craziness.
it would be madness to do otherwise : FOLLY, foolishness, idiocy, stupidity, insanity, lunacy, silliness; informal craziness.
it's absolute madness in here : BEDLAM, mayhem, chaos, pandemonium, uproar, turmoil, disorder, all hell broken loose; N. Amer. three-ring circus.
sanity, common sense, good sense, calm.