fool

nouns

a person who lacks good judgment
fool, muggins, sap, saphead, tomfool
a person who is gullible and easy to take advantage of
chump, fall guy, fool, gull, mark, mug, patsy, soft touch, sucker
a professional clown employed to entertain a king or nobleman in the Middle Ages
fool, jester, motley fool

verbs

make a fool or dupe of
befool, fool, gull
spend frivolously and unwisely
"Fritter away one's inheritance"
dissipate, fool, fool away, fritter, fritter away, frivol away, shoot
fool or hoax
"The immigrant was duped because he trusted everyone"; "You can't fool me!"
befool, cod, dupe, fool, gull, put on, put one across, put one over, slang, take in
indulge in horseplay
"Enough horsing around--let's get back to work!"; "The bored children were fooling about"
arse around, fool, fool around, horse around
is derived from
foolery