5
conceptional
5
conjectural
5
fictitious(adjective, fake, happy, perfect, false)
5
legendary(adjective, fake, false, fantastic, extravagant)
5
nonexistent(adjective, fake, false, fantastic, imaginary)
5
supposititious(adjective, fake, false, fantastic, imaginary)
5
theoretic(adjective, theoretical)
4
academic(adjective, philosophy)
4
creative(adjective, rational, fantastic, original, resourceful)
4
fabulous(adjective, fake, false, fantastic, extravagant)
4
fictive(adjective, fake, happy, perfect, false)
4
hypothetic
4
intellectual(adjective, abstract, risky, unreal, theoretical)
4
metaphysical
4
mythical(adjective, fake, false, fantastic, extravagant)
3
chimeric(adjective, real, imaginary)
3
delusive(adjective, fake, false, fantastic, imaginary)
3
illusive(adjective, imaginary)
3
impractical
3
made-up(adjective, imaginary)
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APASmart Define. (2015). notional thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/notional/thesaurus/synonyms
ChicagoSmart Define. 2015. "notional thesaurus" https://smartdefine.org/notional/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, notional thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/notional/thesaurus/synonyms>.
MLASmart Define. "notional thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/notional/thesaurus/synonyms>