| philosophy(noun, knowledge, reason, attitude, thought) | |
| ontology(noun, attitude, thinking, viewpoint, worthiness) | |
| cosmology | |
| logic(noun, attitude, thinking, viewpoint) | |
| aesthetics(noun, attitude, thinking, viewpoint) | |
| mental philosophy(expression, idiom, intellect) | |
| moral philosophy(noun, expression, idiom, intellect) | |
| ethics(noun, worthiness, ethos, ideals) | |
| epistemology | |
| ideology(attitude, intellect, thinking, viewpoint, worthiness) | |
| metaphysic | |
| metaphysicals | |
| metaphysical | |
| axiology | |
| beliefs(attitude, thinking, viewpoint, worthiness, ethos) | |
| casuistry | |
| cosmological | |
| doctrine(noun, attitude, thinking, viewpoint) | |
| existentialism | |
| first philosophy |
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| APA | Smart Define. (2015). metaphysics thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/metaphysics/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "metaphysics thesaurus" https://smartdefine.org/metaphysics/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, metaphysics thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/metaphysics/thesaurus/synonyms>. |
| MLA | Smart Define. "metaphysics thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/metaphysics/thesaurus/synonyms> |