Crossword clues for ... I don't know about that 4 lettersAnswerClueKNOWHave insight.KNOWHave the answers.KNOWApprehend as true.KNOWDistinguish.KNOWHave in one's headKNOWBe informed.KNOWBe aware ofKNOWBeget withKNOWBe absolutely sureKNOW___ thyself.KNOWBe confident ofKNOWBe confident aboutKNOWHave heard (of)KNOWExperience.KNOWI Need to ___ (Marc Anthony hit)KNOWFeel in one's bonesKNOWUnderstand, as a languageKNOWDon't have to guessKNOWBe intimate withKNOWBe in the loopKNOWNot just supposeKNOWBe positiveKNOWNot just assumeKNOW__-howKNOWDon't have to askKNOWHave memorizedKNOWApprehendKNOWFeel certainKNOWBe sure.KNOWTHIRD BASEMAN, after 1-AcrossKNOWHave no doubtsKNOW___-it-allKNOWBe familiar withKNOWHave the right answerKNOWComprehendKNOWPerceive as factKNOWHave downKNOWGraspKNOWMore than suspectKNOWHave by heartKNOWBe certain ofKNOWBe certainKNOWWhad'Ya ___? (radio show)KNOWHave no doubt aboutKNOWBe sure ofKNOWDon't have to assumeKNOWSee 17-AcrossKNOWMore than thinkKNOWHave no doubtKNOWBe skilled in.