1.to divide and marshal, muster in array, Il., Thuc.:—Pass., εἴπερ ἐς δεκάδας διακοσμηθεῖμεν Ἀχαιοί (epic for -είημεν, 1st pl. aor1 opt.) Il.
2.generally, to regulate, set in order, Hdt., etc.: Mid., μέγαρον διεκοσμήσαντο got it set in order, Od.