IV. WORDS RELATING TO THE INTELLECTUAL FACULTIES; FORMATION OF IDEAS
V. RESULTS OF REASONING
Madman.
[Nouns] madman, lunatic, maniac, bedlamite, candidate for Bedlam, raver, madcap; energumen; automaniac, monomaniac, dipsomaniac, kleptomaniac; hypochondriac (low spirits); crank, Tom o'Bedlam.
dreamer [more]; rhapsodist, seer, highflier, enthusiast, fanatic, fanatico; exalte; knight errant, Don Quixote.
idiot [more].