re ‧ fer ‧ a ‧ ble /rɪˈfɜːrəb ə l/ BrE AmE adjective [+ to] formal
[ Word Family: verb : ↑ refer , ↑ referee , ↑ reference ; noun : ↑ referee , ↑ reference , ↑ referral ; adjective : ↑ referable ]
something that is referable to something else can be related to it