The Collaborative International Dictionary of English v.0.48:

numinous \numinous\ adj.
   1. Evincing the presence of a deity; as, a numinous wood; the
      most numinous moment in the Mass.
      [WordNet 1.5]

   2. same as supernatural.
      [WordNet 1.5] Numismatic

WordNet (r) 3.0 (2006):

numinous
    adj 1: evincing the presence of a deity; "a numinous wood"; "the
           most numinous moment in the Mass"
    2: of or relating to or characteristic of a numen

Moby Thesaurus II by Grady Ward, 1.0:

150 Moby Thesaurus words for "numinous":
   Greek to one, all-knowing, all-powerful, all-seeing, all-wise,
   almighty, ambiguous, arcane, awe-inspiring, awesome, awful, awing,
   beyond understanding, bizarre, boundless, bright, brilliant,
   cabalistic, cantrip, changeless, charismatic, creating, creative,
   divine, eerie, esoteric, eternal, eternally the same, everlasting,
   extramundane, extraterrestrial, fey, glamorous, glorious, good,
   hallowed, heavenly, highest, holy, hoodoo, hypernormal,
   hyperphysical, illustrious, immortal, immutable, impenetrable,
   inarticulate, incantational, incantatory, incognizable, incoherent,
   incomprehensible, ineffable, inenarrable, inexpressible, infinite,
   inscrutable, inviolable, inviolate, just, limitless, loving,
   luminous, lustrous, magian, magic, majestic, making, merciful,
   miraculous, mysterious, mystic, necromantic, occult, omnipotent,
   omnipresent, omniscient, one, otherworldly, past comprehension,
   permanent, perpetual, preterhuman, preternatural, preternormal,
   pretersensual, psychic, radiant, rambling, religious, resplendent,
   sacred, sacrosanct, shaman, shamanic, shamanist, shamanistic,
   shaping, shining, sorcerous, sovereign, spiritual, splendent,
   splendid, splendorous, splendrous, superhuman, superior,
   supermundane, supernatural, supernormal, superphysical,
   supersensible, supersensual, supramundane, supranatural, supreme,
   talismanic, thaumaturgic, timeless, transcendental, transmundane,
   ubiquitous, unaccountable, unbounded, uncanny, unchanging,
   unconnected, undefined, unearthly, unfathomable, unguessed,
   unhuman, unintelligible, unknowable, unlimited, unsearchable,
   unspeakable, untouchable, unutterable, unworldly, venerable,
   voodoo, voodooistic, weird, witch, witchlike, witchy, wizardlike,
   wizardly