| heavenly(religious, sacred, holy, incorporeal, nonmaterial) |
| high-flown(abstract, theoretical, abstruse, philosophical) |
| ideal(abstract, theoretical, abstruse, philosophical) |
| incorporate(adjective, heavenly, airy, insensible, immaterial) |
| insensible(heavenly, incorporeal, nonmaterial) |
| intellectual(abstract, theoretical, abstruse, philosophical) |
| jesuitic(abstract, theoretical, abstruse, philosophical) |
| mystical(abstract, theoretical, abstruse, philosophical) |
| numinous(adjective, abstract, spiritual, theoretical, abstruse) |
| occult |
| oversubtle(abstract, theoretical, abstruse, philosophical) |
| phantom |
| philosophical(abstract, theoretical, abstruse) |
| preternatural(abstract, theoretical, abstruse, philosophical) |
| profound(abstract, theoretical, abstruse, philosophical) |
| psychic(heavenly, incorporeal, nonmaterial) |
| psychical |
| recondite(abstract, theoretical, abstruse, philosophical) |
| spectral(heavenly, incorporeal, nonmaterial) |
| spiritlike(adjective, heavenly, airy, insensible, immaterial) |