thereupon

Etymology

From Middle English therupon, theruppon. Equivalent to there + upon. Compare German darauf.

adv

1. Upon that; thereon.
   Once John, being overtaken in drink on the roadside by the cottage, and dreaming that he was burning in hell, awoke and saw the old wife hobbling toward him. Thereupon he fled soberly to the hills, and from that day became a quiet-living, humble-minded Christian. 1902, John Buchan, The Outgoing of the Tide
2. In consequence, or by reason, of that; therefore.
3. Following that; forthwith; in sequence, but not necessarily in consequence.