"What's the ___?" (4)
(Other definitions for use that I've seen before include "Bring into play" , "Benefit" , "Practise" , "Apply, employ" , "Expend in amusement" .)
(Other definitions for plan that I've seen before include "propose" , "Scheme to achieve something" , "Intend" , "Formulate" , "Scheme, design" .)
(Other definitions for verdict that I've seen before include "Judgment" , "where this is delivered" , "What a jury brings in" , "The findings of a jury" , "conclusion" .)