fulfill

Let it be shown to all the nations that you are with us, O Lord, and have not turned your face away from us, but as you said that you would not forget them even in the land of their enemies, so fulfill this saying, O Lord.”

Or he who promises to give a present to another, but does not fulfill it, is it not robbery?

And he shall fulfill God's law, not destroy,

With a reed that they may fulfill their law;