2
inventive(adjective, imaginary)
2
musing(excellent, gentle, marvelous, thoughtful, vague)
2
platonic
2
pondering(thoughtful, thinking, absorbed, pensive, reflective)
2
postulatory
2
precarious(adjective, delicate, uncertain, sensitive, doubtful)
2
presumptive(adjective, supposition)
2
probationary
2
problematic(shaky, vague, risky, imaginary, unlikely)
2
provisional(adjective, experiment)
2
quixotic(gentle, wild, vague, absurd, abstract)
2
ratiocinative
2
rational
2
reflecting(thoughtful, thinking, absorbed, pensive, reflective)
2
reputed(uncertain, doubtful)
2
romantic(adjective, wild, unreasonable, useless, vague)
2
ruminating(thoughtful, thinking, meditative)
2
serious(bad, heavy, thoughtful, thinking, risky)
2
skeptical
2
sober(thoughtful, thinking, pensive, reflective, meditative)
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APASmart Define. (2015). speculative thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/speculative/thesaurus/synonyms
ChicagoSmart Define. 2015. "speculative thesaurus" https://smartdefine.org/speculative/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, speculative thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/speculative/thesaurus/synonyms>.
MLASmart Define. "speculative thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/speculative/thesaurus/synonyms>