Ghostliness(n.) The quality of being ghostly.
Thesaurus Entries
Hippocratic face, alarmingness, appallingness, awfulness, cadaverousness, corpselikeness, creepiness, deadliness, deathlikeness, deathliness, direness, disconcertingness, dismayingness, disquietingness, dreadfulness, elfdom, facies Hippocratica, faerie, fearfulness, fearsomeness, frighteningness, frightfulness, ghastliness, ghostlikeness, ghostliness, ghoulishness, grimness, grisliness, gruesomeness, haggardness, hideousness, horribleness, luridness, macabreness, mask of death, miraculousness, mysteriousness, mystery, numinousness, otherworldliness, paleness, pallor, preternaturalism, scariness, spookiness, startlingness, superhumanity, supernaturalism, supernaturality, supernaturalness, supernature, supernormalness, superphysicalness, supersensibleness, supranaturalism, supranature, terribleness, the occult, the supernatural, the supersensible, transcendentalism, uncanniness, unearthliness, unworldliness, wanness, weirdness, witchery