| intellectual(adjective, abstract, theoretical, abstruse, philosophical) |
| invisible(adjective, obscure, dark, superior, mysterious) |
| jesuitic(adjective, abstract, theoretical, abstruse, philosophical) |
| legendary(adjective, obscure, dark, superior, mysterious) |
| marvelous(adjective, extraordinary, superior, strange, amazing) |
| mysterious(adjective, superior, unusual, marvelous, heavenly) |
| mystical(adjective, abstract, theoretical, abstruse, paranormal) |
| mythical(adjective, obscure, dark, superior, mysterious) |
| mythological(adjective, obscure, dark, superior, mysterious) |
| nonmaterial(adjective, abstract, theoretical, abstruse, philosophical) |
| nonphysical(adjective, abstract, theoretical, abstruse, philosophical) |
| obscure(adjective, dark, superior, mysterious, supernatural) |
| occult(adjective, obscure, dark, superior, mysterious) |
| oversubtle(adjective, abstract, theoretical, abstruse, philosophical) |
| paranormal(adjective, obscure, dark, mysterious, supernatural) |
| phantom(adjective, obscure, dark, superior, supernatural) |
| phenomenal(adjective, obscure, dark, superior, strange) |
| philosophical(adjective, abstract, theoretical, abstruse) |
| profound(adjective, abstract, theoretical, abstruse, philosophical) |
| rare(adjective, obscure, dark, superior, mysterious) |