- Definitions|2
- Thesaurus|126
- Abbreviations|0
| reasonable(adjective, sound, sensible, rational, probable) | |
| referential | |
| relevant(clear, sound, reasonable, sensible, rational) | |
| sensible(adjective, clear, sound, reasonable, rational) | |
| sententious | |
| significant | |
| sound(clear, reasonable, sensible, rational, logical) | |
| substantial | |
| subtle(clear, sound, reasonable, sensible, rational) | |
| suggestive | |
| symbolic | |
| symbolical | |
| telling(clear, sound, reasonable, sensible, rational) | |
| valid(clear, sound, reasonable, sensible, rational) | |
| well-organized(clear, sound, reasonable, sensible, rational) | |
| wise(clear, sound, reasonable, sensible, rational) | |
| commonsense(sound, reasonable, rational) | |
| dilatable | |
| distensible | |
| ductile |
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| APA | Smart Define. (2015). extensional thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/extensional/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "extensional thesaurus" https://smartdefine.org/extensional/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, extensional thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/extensional/thesaurus/synonyms>. |
| MLA | Smart Define. "extensional thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/extensional/thesaurus/synonyms> |