adverb
Definition: (temporal location) At that time.
Example: He was happy then.
Definition: (temporal location) Soon afterward.
Example: He fixed it, then left.
Definition: (sequence) Next in order; in addition.
Example: There are three green ones, then a blue one.
Definition: In that case.
Example: If it’s locked, then we’ll need the key.
Definition: (sequence) At the same time; on the other hand.
Example: That’s a nice shirt, but then, so is the other one.
Definition: (affirmation) Used to contradict an assertion.