Source : Webster's Revised Unabridged Dictionary (1913)

Indictable \In*dict"a*ble\, a.
   Capable of being, or liable to be, indicted; subject to
   indictment; as, an indictable offender or offense.

Source : WordNet®

indictable
     adj : liable to be accused, or cause for such liability; "the
           suspect was chargeable"; "an indictable offense" [syn:
           {chargeable}]