'Believing' in the Bible

And having arrived at Jerusalem he essayed to join himself to the disciples, and all were afraid of him, not believing that he was a disciple.

And he came to Derbe and Lystra: and behold, a certain disciple was there, by name Timotheus, son of a Jewish believing woman, but the father a Greek,

But this I avow to thee, that in the way which they call sect, so I serve my fathers' God, believing all things which are written throughout the law, and in the prophets;