'Knew' in the Bible

So he healed many who were sick with various diseases and drove out many demons. But he would not permit the demons to speak, because they knew him.

Jesus knew at once that power had gone out from him. He turned around in the crowd and said, "Who touched my clothes?"

because Herod stood in awe of John and protected him, since he knew that John was a righteous and holy man. When Herod heard him, he was thoroughly baffled, and yet he liked to listen to John.

(For he knew that the chief priests had handed him over because of envy.)