whereupon.

Immediately after that event, or as a result of it.

Use it for

Words that belong together

• whereupon he left
• whereupon the meeting ended

On the page

The witness contradicted the record, whereupon counsel requested an adjournment.

Usage notes

Primary category: academic / formal. Forms: invariable adverb. Writing functions: sequence, causation, narrative. Commonness: uncommon. Established modern formal English.