fool
noun.
a person who lacks good judgment
noun.
a person who is gullible and easy to take advantage of
noun.
a professional clown employed to entertain a king or nobleman in the Middle Ages
verb.
make a fool or dupe of
Synonym: befool, gull
verb.
spend frivolously and unwisely
Fritter away one's inheritance
verb.
fool or hoax
The immigrant was duped because he trusted everyone|You can't fool me!
verb.
indulge in horseplay
Enough horsing around--let's get back to work!|The bored children were fooling about