necromantical

from WordNet (r) 3.0 (2006)

necromantical
    adj 1: relating to or associated with necromancy; "mysterious
           necromantic rites" [syn: {necromantic}, {necromantical}]

from The Collaborative International Dictionary of English v.0.48

Necromantic \Nec`ro*man"tic\, Necromantical \Nec`ro*man"tic*al\,
   a.
   Of or pertaining to necromancy; performed by necromancy. --
   {Nec`ro*man"tic*al*ly}, adv.
   [1913 Webster]