75 entries under theory topic. ×
| proposal(understanding, plan, position, belief, model) | |
| rule(noun, organization, concept, law, regulation) | |
| scheme(noun, concept, understanding, philosophy, plan) | |
| speculation(understanding, philosophy, system, belief, model) | |
| supposition(understanding, idea, system, belief, model) | |
| surmise(understanding, philosophy, system, belief, model) | |
| system(business, understanding, plan, position, development) | |
| truth(noun, law, regulation, rule, substance) | |
| apriority(suggestion, supposition) | |
| assignment(suggestion, supposition) | |
| attribution(suggestion, supposition) | |
| conclusion(suggestion, supposition) | |
| condition(measure, suggestion, standard, principle) | |
| convention(noun, organization, rule, notion, establishment) | |
| deduction(suggestion, supposition) | |
| demonstration(reason, suggestion, basis, justification) | |
| ethic(noun, law, rule, notion, fundamental) | |
| exigency(standard, principle) | |
| formula(noun, law, regulation, rule, standard) | |
| generalization(standard, principle) |
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| APA | Smart Define. (2015). foundation thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/foundation/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "foundation thesaurus" https://smartdefine.org/foundation/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, foundation thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/foundation/thesaurus/synonyms>. |
| MLA | Smart Define. "foundation thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/foundation/thesaurus/synonyms> |