'Establish' in the Bible

For I greatly desire to see you, that I may impart to you some spiritual gift to establish you;

And, if our unrighteousness God's righteousness doth establish, what shall we say? is God unrighteous who is inflicting the wrath? (after the manner of a man I speak)

Do we then make void the law through faith? God forbid: yea, we establish the law.

For they being ignorant of God's righteousness, and going about to establish their own righteousness, have not submitted themselves unto the righteousness of God.

And to Him who is able to establish you, according to my good news, and the preaching of Jesus Christ, according to the revelation of the secret, in the times of the ages having been kept silent,