| accepted(expected, supposed, presumed) | |
| analytical | |
| assumption | |
| chimerical(adjective, negative, intellectual, unreal, absent) | |
| contestable(adjective, imaginary, theoretical, supposed, assumed) | |
| enigmatic | |
| estimated(theoretical, supposed, speculative, alleged, presumed) | |
| fanciful(adjective, fantastic, pretend, intellectual, abstract) | |
| gratuitous(adjective, supposition) | |
| guessed | |
| hypothesis | |
| hypothetically | |
| idealistic | |
| insubstantial(negative, abstract, theoretical, imperceptible, vacant) | |
| nonexistent(adjective, real, fictional) | |
| philosophical(intellectual, abstract, theoretical, academic, notional) | |
| postulated(adjective, expected, imaginary, theoretical, supposed) | |
| postulatory | |
| presupposed(adjective, expected, imaginary, apparent, theoretical) | |
| pretending(verb, adjective, supposed, assumed, guessed) |
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| APA | Smart Define. (2015). hypothetical thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/hypothetical/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hypothetical thesaurus" https://smartdefine.org/hypothetical/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, hypothetical thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/hypothetical/thesaurus/synonyms>. |
| MLA | Smart Define. "hypothetical thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/hypothetical/thesaurus/synonyms> |