This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Being such that formal argument or discussion is possible.

adj. Open to dispute; questionable.

adj. In dispute, as land or territory claimed by more than one country.

adj. Controversial. Not fully proved, open to debate, sometimes used humorously.

adj. Of a person, argumentative.

adj. A fitting subject for debate.

adj. Liable to be debated; disputable; subject to controversy or contention; open to question or dispute.

Admitting of debate or argument; disputable; subject to controversy or contention; questionable: as, a debatable question; debatable claims.

adj. open to argument or debate

adj. capable of being disproved

adj. open to doubt or debate

"Here we have a court ruling relying on a debatable interpretation of the Canadian Environmental Assessment Act. The reason I say "debatable" is that for two other different cases the court has interpreted the same article in exactly the opposite sense."

controversial    contestable    questionable    or ground   

debatable land   

disputable    quarrelsome   

inflatable   

moot    undetermined    controvertible    ticklish    unappropriated    unsettle    questionable    undecided    southwestern    equivocal