debatable

adjective

1. open to question; in dispute; doubtful: Whether or not he is qualified for the job is debatable.
2. capable of being debated.

adjective

1. open to question; disputable
2. law in dispute, as land or territory to which two parties lay claim

adj.

1530s (late 15c. in Anglo-Latin), from Old French debatable (Modern French débattable), from debatre (see debate (v.)). Earliest references were to lands claimed by two nations; general sense is from 1580s.