adjective

open to discussion or argument.

it is debatable whether the country is coming out of recession

arguable,disputable,questionable,open to question,open to debate,subject to debate,controversial,contentious,doubtful,open to doubt,in doubt,dubious,uncertain,unsure,unclear,vague,borderline,inconclusive,moot,unsettled,unresolved,unconfirmed,undetermined,undecided,unknown,up in the air,not yet established,problematical,puzzling,perplexing,riddling,a controversial subject,a live issue,a moot point,a matter of opinion,iffy,on the back burner,on ice,controvertible,unestablished