'Acknowledge' in the Bible

"Therefore everyone who acknowledges me before people, I also will acknowledge him before my Father [who is] in heaven.

"And I tell you, everyone who acknowledges me before people, the Son of Man also will acknowledge him before the angels of God,

(For the Sadducees say there is no resurrection or angel or spirit, but the Pharisees acknowledge [them] all.)

Both in every [way] and everywhere we acknowledge [this], most excellent Felix, with all gratitude.

I wrote something to the church, but Diotrephes, who wants to be first [among] them, does not acknowledge us.

Behold, I am causing [those] of the synagogue of Satan, the ones who call themselves Jews and are not, but are lying--behold, I will make them {come} and kneel down before your feet and acknowledge that I have loved you.