'Understand' in the Bible

And he said, Go; and thou shalt say unto this people, Hearing ye shall hear and shall not understand, and seeing ye shall see and shall not perceive.

Make the heart of this people fat, and make their ears heavy, and blind their eyes; lest they see with their eyes, and hear with their ears, and understand with their heart, and be converted, and healed.

Whom shall he teach knowledge? and whom shall he make to understand the report? Them that are weaned from the milk, withdrawn from the breasts?

As it passeth through it shall take you; for morning by morning shall it pass through, by day and by night; and it shall be terror only to understand the report.

and the heart of the rash shall understand knowledge, and the tongue of the stammerers shall be ready to speak plainly.

And Eliakim and Shebna and Joah said to Rab-shakeh, Speak, we pray thee, to thy servants in Syriac, for we understand it; and speak not to us in the Jewish language in the ears of the people that are upon the wall.

that they may see, and know, and consider, and understand together, that the hand of Jehovah hath done this, and the Holy One of Israel hath created it.

Ye are my witnesses, saith Jehovah, and my servant whom I have chosen; that ye may know and believe me, and understand that I am HE: before me there was no God formed, neither shall there be after me.

They have no knowledge, and understand not; for he hath plastered their eyes, that they may not see; and their hearts, that they may not understand.