Definitions
1.conjunctionUsed in comparisons, to introduce the basis of comparison."she's taller than I am; she found his advice more witty than helpful; we have less work today than we had yesterday; We had no choice than to return home"
2.conjunction(obsolete outside dialectal, usually used with for) Because; for.
3.nounThat time"It will be finished before then."
4.adjectiveBeing so at that time.
5.adverb(temporal location) At that time."He was happy then."
6.adverb(temporal location) Soon afterward."He fixed it, then left."
7.adverb(sequence) Next in order; in addition."There are three green ones, then a blue one."
8.adverbIn that case."If it’s locked, then we’ll need the key."
9.adverb(sequence) At the same time; on the other hand."That’s a nice shirt, but then, so is the other one."
10.adverb(affirmation) Used to contradict an assertion.