Source : Webster's Revised Unabridged Dictionary (1913)

Fatidical \Fa*tid"i*cal\, a. [L. fatidicus; fatum fate + dicere
   to say, tell.]
   Having power to foretell future events; prophetic;
   fatiloquent; as, the fatidical oak. [R.] --Howell. --
   {Fa*tid"i*cal*ly}, adv.