Model order obeyed by well-disciplined setter? (3)
I believe the answer is:
sit
I believe this is a double definition.
'model' is the first definition.
(e.g. for a painting)
'order obeyed by well-disciplined setter?' is the second definition.
(setter is a type of dog)
(Other definitions for sit that I've seen before include "Take a seat; pose" , "I sell badly the cotton yarn" , "Model" , "Pose (for artist)" , "Brood" .)