- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
| inculpable(good, excellent, honest, noble, regular) | |
| influencing | |
| ingenious(keen, smart, intelligent, competent, capable) | |
| institutive | |
| irreprehensible(good, excellent, honest, noble, regular) | |
| keen(sharp, smart, intelligent, competent, capable) | |
| know backwards and forwards(expression, keen, smart, intelligent, competent) | |
| know the ropes(expression, keen, smart, intelligent, competent) | |
| leading | |
| learned(keen, smart, intelligent, competent, capable) | |
| legally valid(adjective, strong, power, valid, legal) | |
| magisterial | |
| magnetic | |
| masterly(adjective, tough, keen, smart, intelligent) | |
| mighty(strong, powerful, dynamic, prevailing, influential) | |
| momentous | |
| moving(adjective, influential, winning, convincing) | |
| nimble-witted(bright, active, wise, sharp-witted, quick-thinking) | |
| not in error(expression, idiom) | |
| objectively true |
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| APA | Smart Define. (2015). effectual thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/effectual/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "effectual thesaurus" https://smartdefine.org/effectual/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, effectual thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/effectual/thesaurus/synonyms>. |
| MLA | Smart Define. "effectual thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/effectual/thesaurus/synonyms> |