- Definitions|1
- Thesaurus|782
- Abbreviations|0
135 entries under adjective topic. ×
| condonable(reasonable, justified, defensible) | |
| defensible(sound, reasonable, rational, justified) | |
| easy(strong, certain, stable, definite) | |
| excusable(reasonable, justified, defensible) | |
| fit(correct, reasonable, proper, moral) | |
| forgivable(reasonable, justified, defensible) | |
| healthy(solid, heavy, powerful, substantial) | |
| licit(reasonable, valid, lawful, rightful) | |
| pardonable(reasonable, justified, defensible) | |
| rock-solid | |
| sure of yourself(expression, idiom, confident, self-assured) | |
| traditional | |
| understandable(reasonable, logical, justified, defensible) | |
| venerable | |
| well-known |
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| APA | Smart Define. (2016). well-founded thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/well-founded/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "well-founded thesaurus" https://smartdefine.org/well-founded/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, well-founded thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/well-founded/thesaurus/synonyms>. |
| MLA | Smart Define. "well-founded thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/well-founded/thesaurus/synonyms> |