'Purpose' in the Bible

Who, when he came, and had seen the grace of God, was glad, and exhorted them all, that with purpose of heart they would cleave unto the Lord.

But rise, and stand upon thy feet: for I have appeared unto thee for this purpose, to make thee a minister and a witness both of these things which thou hast seen, and of those things in the which I will appear unto thee;

And when the south wind blew softly, supposing that they had obtained their purpose, loosing thence, they sailed close by Crete.

But the centurion, willing to save Paul, kept them from their purpose; and commanded that they which could swim should cast themselves first into the sea, and get to land: