Source : Webster's Revised Unabridged Dictionary (1913)

Mystic \Mys"tic\, Mystical \Mys"tic*al\, a. [L. mysticus, Gr. ?
   belonging to secret rites, from ? one initiated: cf. F.
   mystique. See 1st {Mystery}, {Misty}.]
   1. Remote from or beyond human comprehension; baffling human
      understanding; unknowable; obscure; mysterious.

            Heaven's numerous hierarchy span The mystic gulf
            from God to man.                      --Emerson.

            God hath revealed a way mystical and supernatural.
                                                  --Hooker.

   2. Importing or implying mysticism; involving some secret
      meaning; allegorical; emblematical; as, a mystic dance;
      mystic Babylon.

            Thus, then, did the spirit of unity and meekness
            inspire every joint and sinew of the mystical body.
                                                  --Milton.
      -- {Mys"tic*al*ly}, adv. -- {Mys"tic*al*ness}, n.

Mystic \Mys"tic\, n.
   One given to mysticism; one who holds mystical views,
   interpretations, etc.; especially, in ecclesiastical history,
   one who professed mysticism. See {Mysticism}.

Source : WordNet®

mystic
     n : someone who believes in the existence of realities beyond
         human comprehension [syn: {religious mystic}]

mystic
     adj 1: having an import not apparent to the senses nor obvious to
            the intelligence; beyond ordinary understanding;
            "mysterious symbols"; "the mystical style of Blake";
            "occult lore"; "the secret learning of the ancients"
            [syn: {mysterious}, {mystical}, {occult}, {secret}, {orphic}]
     2: relating to or resembling mysticism; "mystical intuition";
        "mystical theories about the securities market" [syn: {mystical}]
     3: relating to or characteristic of mysticism; "mystical
        religion" [syn: {mystical}]

Source : Free On-Line Dictionary of Computing

MYSTIC
     
         An early system on the {IBM 704}, {IBM 650}, {IBM
        1103} and 1103A.
     
        [Listed in CACM 2(5):16 (May 1959)].
     
        (1995-03-07)