Make a loose arrangement? (5)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
drape
(Other definitions for drape that I've seen before include "Hang (cloth) in folds (on something)" , "Pared (anag.)" , "Loose fabric cover" , "Wrap loosely (with cloth)" , "Hang (cloth) loosely" .)