questionable /BrE ˈkwɛstʃ(ə)nəb(ə)l 
, AmE ˈkwɛstʃənəb(ə)l /
adjective
(debatable) [record, motive, decision] discutable; (dubious) [virtue, evidence, taste] douteux/douteuse
it is questionable whether il est douteux que (+ subj)
questionable
English → French
Oxford English–French