noun
also ar·bit·re·ment ärˈbi.trəmənt, ȧˈb-
( -s )
Etymology: Middle English, from Middle French arbitrement, from arbitrer to render judgment (from Latin arbitrari ) + -ment — more at arbitrate
1. archaic : the right or power of deciding, directing, or controlling
thou seest thy life … at my arbitrament — Christopher Marlowe
2. : the act of deciding as an arbiter : authoritative decision : arbitration
submit a case to the arbitrament of the judges
3. : the judgment given by an arbitrator : decision