Noah Webster's Dictionary (n.) The state of being one; singleness in number; individuality; unity.

Multi-Version Concordance Oneness (2 Occurrences) Romans 15:6 so that with oneness both of heart and voice you may glorify the God and Father of our Lord Jesus Christ. (WEY) Ephesians 4:13 till we all of us arrive at oneness in faith and in the knowledge of the Son of God, and at mature manhood and the stature of full-grown men in Christ. (WEY)