Verb (used with object) arbitrated, arbitrating. To decide as arbitrator or arbiter; determine.1. to act as arbiter upon (a disputed question) : to settle (a dispute between two people or groups) after hearing the arguments and opinions of both. To make an official decision that ends a legal disagreement between people or groups without the need for the disagreement to be solved in court. Arbitration is essentially a paid private trial, in other words, a method to resolve disputes without going to court. Arbitrate is when a neutral third party helps end a conflict. Arbitrate derives from the Latin arbiter "judge. The object of arbitration is to obtain a fairresolutionofdisputes byanimpartialthirdpartywithout unnecessary expense or delay.