Answer: hoax

AnswerCrossword Clue
HOAXBamboozle
HOAXFake
HOAXPiltdown man, e.g.
HOAXSting, for instance
HOAX1938 "The War of the Worlds" broadcast, for one
HOAXPiltdown man, say
HOAX"The War of the Worlds" broadcast, notably
HOAXBarnum's Fiji mermaid, for one
HOAXPractical joke
HOAXThe Piltdown Man, for one
HOAXMajor prank
HOAXElaborate ruse
HOAXDupery
HOAXForged artifact, e.g.
HOAXPiltdown Man, for one
HOAXSubject of a forwarded e-mail, often
HOAXThe Piltdown Man, notably
HOAX"Balloon Boy," for one
HOAXCon
HOAXElaborate fraud
hoaxsomething intended to deceive
HOAXMany a P.T. Barnum attraction
HOAXThe Cardiff Giant, for one
HOAXHoodwink
HOAXLike an urban legend
HOAXUFO's, perhaps
HOAXManti Te'o's girlfriend, for one
HOAXThe Cardiff Giant, e.g.
HOAXMare's nest
HOAXArt forgery, maybe
HOAXPrankster's project
HOAXMare's-nest
HOAXMany a P.T. Barnum exhibit
HOAXDeceitful act
HOAXFraud
HOAXThe Piltdown man, e.g.
HOAXHornswoggle
HOAXPut-on
HOAXThe Piltdown man, notably
HOAXFlimflam