'Know' in the Bible

Thou knowest Abner the son of Ner, that he came to deceive thee, and to know thy going out and thy coming in, and to know all that thou doest.

And the king said unto his servants, Know ye not that there is a prince and a great man fallen this day in Israel?

For thy word's sake, and according to thine own heart, hast thou wrought all this greatness, to make thy servant know it.

to change the face of the matter hath thy servant Joab done this thing: and my lord is wise, according to the wisdom of an angel of God, to know all things that are in the earth.

For thy servant doth know that I have sinned: therefore, behold, I am come this day the first of all the house of Joseph to go down to meet my lord the king.

And David said, What have I to do with you, ye sons of Zeruiah, that ye should this day be adversaries unto me? shall there any man be put to death this day in Israel? for do not I know that I am this day king over Israel?

And the king said to Joab the captain of the host, who was with him, Go now to and fro through all the tribes of Israel, from Dan even to Beer-sheba, and number ye the people, that I may know the sum of the people.