/ ˈɑːgjuəbl; NAmE ˈɑːrg-/ adjective ( formal )
1.
that you can give good reasons for :
It is arguable that giving too much detail may actually be confusing.
2.
not certain; that you do not accept without question
SYN debatable :
It is arguable whether the case should have ever gone to trial (= perhaps it should not have) .