Source : Webster's Revised Unabridged Dictionary (1913)

Talismanic \Tal`is*man"ic\, Talismanical \Tal`is*man"ic*al\, a.
   [Cf. F. talismanique.]
   Of or pertaining to a talisman; having the properties of a
   talisman, or preservative against evils by occult influence;
   magical.

Source : WordNet®

talismanic
     adj : possessing or believed to possess magic power especially
           protective power; "a talismanic amulet"