(n.) The state or quality of being immaterial or incorporeal; as, the immateriality of the soul.

Masan Prospero airiness airy nothing apparition appearance astral astral spirit banshee bodilessness concealment control delusiveness departed spirit disappearance disassociation disconnection discreteness disembodied spirit disjunction disjuncture dissociation duppy dybbuk eidolon ethereality fallaciousness false appearance false light false show falseness fineness flimsiness form ghost grateful dead guide hant haunt idealization idolum illusionism illusionist illusiveness impalpability imperceptibility impertinence imponderability inapplicability inappositeness inconnection inconsequence inconsequentiality inconsiderableness incorporeal incorporeal being incorporeality incorporeity independence indifference indiscernibility ineffectuality inferiority insignificance insolidity insubstantiality intangibility invisibility irrelation irrelevance larva lemures littleness low priority magic magic act magic show magician manes marginality materialization mistiness negligibility nonappearance oni pettiness phantasm phantasma phantom picayune picayunishness pokiness poltergeist presence prestidigitation puniness rareness rarity revenant secondariness secrecy seeming semblance separateness shade shadow shape show shrouded spirit simulacrum sleight of hand slightness smallness sorcerer sorcery specious appearance specter spectral ghost spirit spook sprite subtility subtilty subtlety tenuity tenuousness the invisible the unseen theophany thinness unactuality unconcreteness unconnectedness unimportance unimpressiveness unnoteworthiness unperceivability unreality unrelatedness unseeableness unsolidity unsubstantiality unsubstantialness vagueness viewlessness vision walking dead man wandering soul wraith zombie