adjective. Subject to arbitration.

adjective. Appropriate for referral to an arbitrator.

Arbitrary; depending on the will. Spelman.

Subject to arbitration; subject to the decision of an arbiter, court, judge, or other appointed authority; discretionary.

adjective. Capable of being decided by arbitration; determinable.

adjective. Able to be arbitrated; subject to arbitration.

adjective. appropriate for or subject to settlement by arbitration

"And there are also some other reasons and arguments, but let us stop here --- at least the whole question is not that easily arbitrable."

arbiter  arbitrage  arbitrary  arbitrate  arbitration  

determinable