D defs.my
Entry 1 sense Webster, 1913

Debatable

/dəb-āt'-əb-əl/ · De·bat·a·ble · IPA /[dɪˈbeɪtəbəɫ]/
01 a. Liable to be debated; disputable; subject to controversy or contention; open to question or dispute; as, a debatable question.
  1. 1.
    Liable to be debated; disputable; subject to controversy or contention; open to question or dispute; as, a debatable question.
Phrases & compounds
The Debatable Land [or] Ground — a tract of land between the Esk and the Sark, claimed by both England and Scotland; the Batable Ground.