ac·tion·able /ˈækʃ(ə)nəbəl/
  (a.)可起訴的,可控告的
  Ac·tion·a·ble a.  That may be the subject of an action or suit at law; as, to call a man a thief is actionable.
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  actionable
       adj : affording grounds for legal action; "slander is an
             actionable offense"