pre-conception (noun) preconception: idea formed before event occurs or facts are received
Sinonime: Gordian knot,
bewilderment, cliffhanger,
conundrum,
crux, cryptogram, grabber,
knot*, mind-boggler, mind-twister, mystification,
parable, perplexity, problem,
puzzle, puzzlement, puzzler,
question, question mark, riddle,
secret, sixty-four dollar question, sphinx, sticker, stickler, stumper, teaser, tough nut to crack, twister, why*
Antonime: ignorance