The Collaborative International Dictionary
Talismanical
Talismanic \Tal`is*man"ic\, Talismanical \Tal`is*man"ic*al\, a. Of or pertaining to a talisman; having the properties of a talisman, or preservative against evils by occult influence; magical.
Wiktionary
talismanical
a. (alternative form of talismanic English)