Crossword clues for I have to know!:KNOWSIsn't just guessingKNOWBe intimate withKNOWNot just assumeKNOWDon't have to askKNOWBe confident ofKNOWSIs positiveKNOWSee 17-AcrossKNOWHave no doubt aboutKNOWMore than thinkKNOWComprehendKNOWSUnderstandsKNOWHave memorizedKNOWBe confident aboutKNOWSIs aware ofKNOWSRecognizesKNOWHave down patKNOWBe sure ofKNOWSMore than just thinksKNOW___-it-allKNOWNot just supposeKNOWDon't have to guessKNOWBe familiar withKNOWBe aware ofKNOWPerceive as factKNOWUnderstand, as a languageKNOWHave by heartKNOWINGShrewdKNOWBe certain ofKNOWBe certainKNOWRecognizeKNOWINGInformedKNOWYou ___?KNOWHave down coldKNOWBe acquainted withKNOWBe in onKNOWSIs sure ofKNOWHave the factsKNOWSHas down coldKNOWHave downKNOWSIs in onKNOWWhad'Ya ___? (radio show)KNOWHave no doubtsKNOWSHas no doubt ofKNOWDon't have to assumeKNOWBe absolutely sureKNOWUnderstandKNOWI Need to ___ (Marc Anthony hit)KNOWHave the right answerKNOWFeel in one's bonesKNOWFeel certain