90 entries under effective topic. ×

25
powerful(adjective, strong, power, keen, smart)
19
potent(adjective, strong, sharp, powerful)
18
efficient(adjective, power, excellent, keen, smart)
15
useful(adjective, tough, beneficial, advantageous)
14
telling(verb, adjective, strong, energetic, important)
12
adequate(adjective, power, tough, competent, capable)
12
authoritative(adjective, strong, energetic, powerful)
12
influential(adjective, strong, energetic, important, powerful)
11
capable(adjective, strong, power, keen, smart)
11
productive(adjective, power, tough, useful)
10
competent(adjective, strong, power, tough, bright)
9
able(adjective, strong, power, bright, capacity)
9
active(adjective, tough, prompt, quick, wise)
9
sound(adjective, complete, important, powerful, healthy)
8
important(adjective, powerful, useful, beneficial)
7
impressive(adjective, sharp, important, powerful)
7
persuasive(adjective, strong, energetic, prevailing)
7
virtuous(adjective, good, tough, innocent)
5
weighty(adjective, strong, sharp, energetic, important)
5
decisive(adjective, tough, important, powerful)
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APASmart Define. (2015). effectual thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/effectual/thesaurus/synonyms
ChicagoSmart Define. 2015. "effectual thesaurus" https://smartdefine.org/effectual/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, effectual thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/effectual/thesaurus/synonyms>.
MLASmart Define. "effectual thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/effectual/thesaurus/synonyms>