| ghostly(adjective, obscure, extraordinary, unusual, wonderful) |
| hallucinational(adjective, strange, fantasy, unreal) |
| hallucinative(adjective, strange, fantasy, unreal) |
| haunted(adjective, extraordinary, unusual, wonderful, marvelous) |
| ideational |
| imponderable(adjective, light, weak, slight, negative) |
| in the clouds(expression, adjective, idiom, original, intellectual) |
| inaccurate(adjective, wrong, fake, false, counterfeit) |
| incorrect(adjective, wrong, fake, false, counterfeit) |
| incredible(adjective, strange, fantastic, extravagant, fantasy) |
| inexact(adjective, wrong, fake, false, counterfeit) |
| infinite |
| invalid(adjective, wrong, fake, false, counterfeit) |
| inventive |
| magical(adjective, supernatural, magic, spiritual, bewitching) |
| magnetic(adjective, extraordinary, unusual, wonderful, marvelous) |
| marvelous(adjective, excellent, gentle, extraordinary, unusual) |
| miraculous(adjective, extraordinary, unusual, wonderful, marvelous) |
| mistaken(adjective, wrong, fake, false, counterfeit) |
| mysterious(adjective, extraordinary, unusual, wonderful, marvelous) |