thereupon

thereupon is an   Adjective

Definition:

[1] Upon that or this; thereon. "They shall feed thereupon." Zeph. ii. 7.

[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.

Synonyms: