adverb
- immediately after that; as a result of that
Usage: formal
Examples
- The witness refused to testify, and thereupon the judge dismissed the case.
- She received the promotion and thereupon decided to celebrate.
- The contract was signed, whereupon thereupon both parties shook hands.
- He heard the news and thereupon rushed to the hospital.
- The alarm sounded, and thereupon everyone evacuated the building.
- The president resigned, and thereupon the vice president took office.