| runic(adjective, extraordinary, unusual, wonderful, marvelous) |
| screen(verb, cover, block, hide, store) |
| sequestered(obscure, dark, secret, unknown, hidden) |
| shadow(verb, cover, block, hide, store) |
| shield(verb, cover, block, hide, store) |
| shroud(verb, cover, block, hide, store) |
| sibylline(adjective, dark, uncertain, mysterious, psychic) |
| sixty-four-thousand-dollar question(expression, question, secret, puzzle, subtlety) |
| sorcerous(adjective, extraordinary, unusual, wonderful, marvelous) |
| spectral(adjective, obscure, dark, extraordinary, superior) |
| spellbinding(adjective, extraordinary, unusual, wonderful, marvelous) |
| spellbound(adjective, extraordinary, unusual, wonderful, marvelous) |
| spiritualistic(adjective, extraordinary, unusual, wonderful, marvelous) |
| subtle(adjective, deep, thoughtful, vague, mysterious) |
| superhuman(obscure, dark, superior, mysterious, supernatural) |
| supersensual(adjective, sensitive, intellectual, supernatural, mental) |
| supramundane |
| supranatural(obscure, dark, superior, mysterious, supernatural) |
| surreptitious(adjective, secret, unknown, hidden, underground) |
| telekinetic(adjective, extraordinary, unusual, wonderful, marvelous) |