51 entries under guesstimate topic. ×

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imaginings(theory, premise)
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intrinsic truth(expression, theory, premise)
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law(theory, premise)
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lemma(theory, premise)
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opinion(theory, conjecture, presumption, deduction)
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postulate(theory, conjecture, presumption, deduction)
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postulation(theory, conjecture, presumption, deduction)
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precondition(theory, premise)
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premise
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prerequisite(theory, premise)
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presumption(theory, conjecture, deduction, premise)
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presupposition(theory, conjecture, presumption, deduction)
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principal element(expression, theory, premise)
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principium(theory, premise)
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principle(theory, premise)
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qualification(theory, premise)
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rough guess(expression, theory, premise)
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say so(expression, theory, premise)
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self-evident truth(expression, theory, premise)
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sine qua non(expression, idiom, theory, premise)
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APASmart Define. (2015). reck thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/reck/thesaurus/synonyms
ChicagoSmart Define. 2015. "reck thesaurus" https://smartdefine.org/reck/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, reck thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/reck/thesaurus/synonyms>.
MLASmart Define. "reck thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/reck/thesaurus/synonyms>