Sentence:  We were then in the third week of November; but, we took our measures so vigorously, and were so well seconded by the friends in whom we confided, that there was still a week of the month unexpired, when our party all came down together merrily, and <WSD>mustered</WSD> in the haunted house. 
Meaning of the word marked with <WSD> tags:  To be gathered together for parade, inspection, exercise, or the like (especially of a military force); to come together as parts of a force or body. (from 15th c.)