1) causing amusement; teasing; expressing disbelief, puzzlement (quizzical)
the state of being mixed up, disordered
disorientation
a kind of riddle using a play on words, e.g. 'When is a door not a door?' - 'When it's ajar.'
puzzle
a question, person, thing, circumstance, that is puzzling
mystery
something of which the cause or origin is impossible to explain or understand
puzzle, secret
a question, statement or description, intended to make a person think hard in order to know the answer or meaning; to make many holes in a person, thing
brain-teaser
state of being uncertain; something which is uncertain
doubt, changeableness
surprisingly good; the feeling caused by something unusual, surprising or that cannot be explained
amazement