683 entries under noun topic. ×
| philosophy(action, knowledge, attitude, idea) | |
| cause(feature, support, regulation, action) | |
| rationale(action, good, feeling, understanding) | |
| justification(support, action, cause, start) | |
| rationality(knowledge, mind, connection, sense) | |
| understanding(form, end, feeling, philosophy) | |
| basis(action, cause, start, substance) | |
| purpose(form, help, end, feeling) | |
| mind(verb, feeling, understanding, consider) | |
| intellect(feeling, understanding, power, energy) | |
| ground(support, regulation, cause, start) | |
| excuse(verb, action, cause, resolve) | |
| wisdom(feeling, understanding, power, knowledge) | |
| motive(action, end, drive, cause) | |
| intelligence(feeling, understanding, power, turn) | |
| explanation(support, action, cause, trick) | |
| sense(verb, form, end, feeling) | |
| grounds(action, information, cause, trick) | |
| proof(support, action, cover, cause) | |
| sanity(health, feeling, understanding, power) |
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| APA | Smart Define. (2016). reason thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/reason/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "reason thesaurus" https://smartdefine.org/reason/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, reason thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/reason/thesaurus/synonyms>. |
| MLA | Smart Define. "reason thesaurus" 25 February 2016. Web. 24 September 2026. <https://smartdefine.org/reason/thesaurus/synonyms> |