'Fully' in the Bible

and having been fully persuaded that what He hath promised He is able also to do:

One doth judge one day above another, and another doth judge every day alike; let each in his own mind be fully assured.

in power of signs and wonders, in power of the Spirit of God; so that I, from Jerusalem, and in a circle as far as Illyricum, have fully preached the good news of the Christ;