51 entries under theory topic. ×
| self-evident truth(expression, guesstimate, premise) | |
| sneaking suspicion(expression, guesstimate, premise) | |
| stab in the dark(expression, idiom, guesstimate, premise) | |
| supposal(guesstimate, premise) | |
| supposition(guesstimate, premise) | |
| surmisal(guesstimate, premise) | |
| tentative law(expression, guesstimate, premise) | |
| theorem(law, foundation, basic, premise) | |
| theorization(guesstimate, premise) | |
| thesis(guesstimate, premise) | |
| universal truth(expression, guesstimate, premise) |
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| APA | Smart Define. (2015). sine qua non thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/sine_qua_non/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sine qua non thesaurus" https://smartdefine.org/sine_qua_non/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, sine qua non thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/sine_qua_non/thesaurus/synonyms>. |
| MLA | Smart Define. "sine qua non thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/sine_qua_non/thesaurus/synonyms> |