Etymology: Middle English than, then then, than, from Old English thonne, thænne; akin to Old High German denne then, than, Old English thæt that
Date: before 12th century
1. at that time
a. soon after that ; next in order of time <walked to the door, then turned> b. following next after in order of position, narration, or enumeration ; being next in a series <first came the clowns, then came the elephants> c. in addition ; besides <then there is the interest to be paid> 3. a. (1) in that case <take it, then, if you want it so much> (2) — used after but to qualify or offset a preceding statement <she lost the race, but then she never really expected to win> b. according to that ; as may be inferred <your mind is made up, then> c. as it appears ; by way of summing up <the cause of the accident, then, is established> d. as a necessary consequence <if the angles are equal, then the complements are equal> II. noun Date: 14th century that time <since then, he's been more cautious> III. adjective Date: 1584 existing or acting at or belonging to the time mentioned <the then secretary of state>
New Collegiate Dictionary. 2001.