thereupon thereupon /ˌðɛrəˈpɒn/

adverb

1. Immediately after that  ( thereupon , with that )
   immediately after that
    Thereupon the entire class applauded
   thereupon the entire class applauded
    I therewith withdraw my complaints
   I therewith withdraw my complaints
    With that, she left the room
   with that, she left the room