51 entries under theory topic. ×

2
axiom(noun, support, action, base, beginning)
2
postulate(noun, support, action, base, beginning)
1
assumption(noun, support, action, base, beginning)
1
basis(noun, action, base, beginning, source)
1
chief ingredient(noun, expression, support, action, base)
1
law(noun, support, action, base, beginning)
1
premise(noun, support, action, base, beginning)
1
presumption(noun, support, action, base, beginning)
1
presupposition(noun, support, action, base, beginning)
1
principal element(noun, expression, support, action, base)
1
principle(noun, support, action, base, beginning)
1
starting point(noun, expression, base, beginning, source)
1
theorem(noun, support, action, base, beginning)
0
apriorism(guesstimate, premise)
0
apriority(guesstimate, premise)
0
belief(guesstimate, premise)
0
codification(guesstimate, premise)
0
condition(guesstimate, premise)
0
educated guess(expression, guesstimate, premise)
0
formularization(guesstimate, premise)
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APASmart Define. (2015). hard fact thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/hard_fact/thesaurus/synonyms
ChicagoSmart Define. 2015. "hard fact thesaurus" https://smartdefine.org/hard_fact/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, hard fact thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/hard_fact/thesaurus/synonyms>.
MLASmart Define. "hard fact thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/hard_fact/thesaurus/synonyms>