adverb
- at that time; at the time in question
- next; after that
- in that case; therefore
adjective
- existing or being at that time
noun
- that time
Examples
- I was living in Chicago then.
- First we’ll eat dinner, then we’ll watch a movie.
- If you’re not ready, then we’ll wait.
- The then president made an important speech.
- Since then, things have changed dramatically.
- We should leave by then.
- Then came the difficult part of the project.