Hereby
From BiblePortal Wikipedia
Vine's Expository Dictionary of NT Words [1]
1—Corinthians 4:4 1—John 2:3,5 3:16,19,24 4:2,13 5:2 1—John 4:6
Webster's Dictionary [2]
(1): ( adv.) By means of this.
(2): ( adv.) Close by; very near.
King James Dictionary [3]
HEREBY', adv. By this.
Hereby we became acquainted with the nature of things.