- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
284 entries under adjective topic. ×
| confirmed(good, sound, right, reasonable) | |
| ex officio(expression, idiom, government, official) | |
| firm | |
| legal(good, sound, correct, right) | |
| mighty(strong, powerful, chief, effective) | |
| puissant(strong, powerful, effective, prevailing) | |
| sanctioned(true, official, authorized) | |
| scholarly(valid, sagacious) | |
| telling(strong, sound, reasonable, energetic) | |
| vigorous(strong, energetic, powerful, effective) | |
| accepted(sound, correct, right, solid) | |
| adept(expert, sagacious) | |
| artistic | |
| cogent(strong, sound, reasonable, energetic) | |
| competent(strong, energetic, powerful, effective) | |
| determinative(sound, reasonable, rational, decide) | |
| doctrinaire(opinionated, domineering, dogmatic) | |
| domineering | |
| efficacious(good, strong, sound, right) | |
| energetic(strong, powerful, effective, dynamic) |
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| APA | Smart Define. (2015). authoritative thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/authoritative/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "authoritative thesaurus" https://smartdefine.org/authoritative/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, authoritative thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/authoritative/thesaurus/synonyms>. |
| MLA | Smart Define. "authoritative thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/authoritative/thesaurus/synonyms> |