thereupon

3, ther/eup/on

accordingly, as a result, consequently, for this reason, for this purpose,

hence, otherwise, so then, subsequently, therefore, thus, thereupon, wherefore accordingly, as a result, consequently, for this reason, for this purpose,

hence, otherwise, so then, subsequently, therefore, thus, thereupon, wherefore

accordingly, consequently, ergo, therefore, so, thereupon, thus, wherefore

Hard to tell without knowing how you want to use it. But perhaps, ensuing, subsequently, later or thereupon would work.