imaginary

Synonyms: abstract apocryphal apparitional assumed chimerical deceptive delusive dreamed-up dreamlike dreamy fabulous fancied fanciful fantastic fictional figmental fool’s paradise hallucinatory hypothetical ideal illusive illusory imaginative imagined legendary made-up mythological nonexistent notional phantasmal phantasmic quixotic shadowy spectral supposed supposititious theoretical trumped up unreal unsubstantial visionary whimsical

Antonyms: existing factual genuine physical real substantial true