Source : Webster's Revised Unabridged Dictionary (1913)

Therewith \There*with"\, adv.
   1. With that or this. ``I have learned in whatsoever state I
      am, therewith to be content.'' --Phil. iv. 11.

   2. In addition; besides; moreover.

            To speak of strength and therewith hardiness.
                                                  --Chaucer.

   3. At the same time; forthwith. [Obs.] --Johnson.

Source : WordNet®

therewith
     adv 1: with that or this or it; "I have learned that whatever state
            I am, therewith to be content"- Phil.4:11
     2: immediately after that; "thereupon the entire class
        applauded"; "with that, she left the room"; "I therewith
        withdraw my complaints" [syn: {thereupon}, {with that}]