'Prove' in the Bible

So produce fruit that is consistent with repentance [demonstrating new behavior that proves a change of heart, and a conscious decision to turn away from sin];

But, to prove to you that the Son of Man has authority on earth to pardon sins" --He then says to the paralytic, "Rise, and take up your bed and go home."

"Remember it is I who am sending you out, as sheep into the midst of wolves; prove yourselves as sagacious as serpents, and as innocent as doves.

while they taunted Him, saying, "Christ, prove yourself a Prophet by telling us who it was that struck you."