- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
44 entries under authoritative topic. ×
| effective(adjective, strong, power, thrive, valid) | |
| powerful(adjective, strong, power, keen, smart) | |
| efficacious(adjective, strong, power, thrive, valid) | |
| potent(adjective, strong, sharp, powerful, effective) | |
| strong(adjective, power, valid, influential, legal) | |
| efficient(adjective, power, excellent, keen, smart) | |
| useful(adjective, tough, effective, beneficial, advantageous) | |
| telling(verb, adjective, strong, energetic, important) | |
| valid(adjective, strong, power, influential, legal) | |
| adequate(adjective, power, tough, competent, capable) | |
| authoritative(adjective, strong, energetic, powerful, effective) | |
| influential(adjective, strong, energetic, important, powerful) | |
| capable(adjective, strong, power, keen, smart) | |
| productive(adjective, power, tough, useful, effective) | |
| legal(adjective, influential) | |
| sound(adjective, complete, important, powerful, healthy) | |
| important(adjective, powerful, useful, effective, beneficial) | |
| practicable(adjective, influential, utilizable) | |
| serviceable(adjective, useful, beneficial, advantageous, influential) | |
| impressive(adjective, sharp, important, powerful, effective) |
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| APA | Smart Define. (2015). effectual thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/effectual/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "effectual thesaurus" https://smartdefine.org/effectual/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, effectual thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/effectual/thesaurus/synonyms>. |
| MLA | Smart Define. "effectual thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/effectual/thesaurus/synonyms> |