Then and Thereupon

Then adverb - In addition to what has been said.

Thereupon is a synonym for then in immediately topic. In some cases you can use "Thereupon" instead the word "Then" as an adverb or an adjective, when it comes to topics like therefore, before. popular alternative

Thereupon adverb - For this or that reason.

Then is a synonym for thereupon in immediately topic. You can use "Then" instead the word "Thereupon" as an adverb or an adjective, if it concerns topics such as at which point. popular alternative