1. 
[syn: apparitional, ghostlike, ghostly, phantasmal, spectral, spiritual]
The Collaborative International Dictionary of English v.0.48:
Apparitional \Ap`pa*ri"tion*al\, a.
   Pertaining to an apparition or to apparitions; spectral. "An
   apparitional soul." --Tylor.
   [1913 Webster]
WordNet (r) 3.0 (2006):
apparitional
    adj 1: resembling or characteristic of a phantom; "a ghostly
           face at the window"; "a phantasmal presence in the room";
           "spectral emanations"; "spiritual tappings at a seance"
           [syn: apparitional, ghostlike, ghostly,
           phantasmal, spectral, spiritual]