Recent Examples on the WebMasters said an offer of an independent arbitral tribunal was rejected by the bidders. Rob Harris, Star Tribune, 9 Sep. 2020 When that happens, there are arbitral bodies [such as] the International Court of Justice. Annabelle Timsit, The Atlantic, 19 Oct. 2017 Of course, China isn't resolving its disputes peacefully, and Beijing has explicitly rejected the landmark ruling of an arbitral tribunal under the convention in question.chicagotribune.com, 25 Aug. 2017
Word History
Etymology
borrowed from Late Latin arbitrālis, from arbitr-, arbiterarbiter + -ālis-al entry 1