'Discovered' in the Bible

When they saw the boldness of Peter and John, and discovered that they were uneducated and ordinary men, they were amazed and recognized these men had been with Jesus.

What then shall we say that Abraham, our ancestor according to the flesh, has discovered regarding this matter?

Brothers and sisters, if a person is discovered in some sin, you who are spiritual restore such a person in a spirit of gentleness. Pay close attention to yourselves, so that you are not tempted too.

I know your works as well as your labor and steadfast endurance, and that you cannot tolerate evil. You have even put to the test those who refer to themselves as apostles (but are not), and have discovered that they are false.