[adv] immediately after that; "thereupon the entire class applauded"; "with that, she left the room"; "I therewith withdraw my complaints"
1. Upon that or this; thereon. ``They shall feed thereupon.'' --Zeph. ii.
2. On account, or in consequence, of that; therefore. [He] hopes to find you forward, . . . And thereupon he sends you this good news. --Shak.
3. Immediately; at once; without delay.