(1):
(v. t.) To use as a fool; to deceive in a shameful or mortifying manner; to impose upon; to cheat by inspiring foolish confidence; as, to fool one out of his money.
(2):
(n.) One who acts contrary to moral and religious wisdom; a wicked person.
(3):
(n.) A compound of gooseberries scalded and crushed, with cream; - commonly called gooseberry fool.
(4):
(n.) One destitute of reason, or of the common powers of understanding; an idiot; a natural.
(5):
(n.) A person deficient in intellect; one who acts absurdly, or pursues a course contrary to the dictates of wisdom; one without judgment; a simpleton; a dolt.
(6):
(n.) One who counterfeits folly; a professional jester or buffoon; a retainer formerly kept to make sport, dressed fantastically in motley, with ridiculous accouterments.
(7):
(v. i.) To play the fool; to trifle; to toy; to spend time in idle sport or mirth.
(8):
(v. t.) To infatuate; to make foolish.