3
desirable(adjective, useful, practical, convenient, expedient)
3
driving(adjective, strong, tough, sharp, energetic)
3
eloquent
3
equal to(verb, expression, phrasal verb, power, tough)
3
expert(adjective, tough, keen, smart, energetic)
3
expressive(adjective, sharp, important, powerful, short)
3
fit(adjective, good, appropriate, proper, active)
3
formidable(prevailing, influential, commanding)
3
gainful
3
great(strong, powerful, prevailing, influential, commanding)
3
hard-hitting(adjective, strong, forceful)
3
high-powered(dynamic, successful, driven)
3
honorable(adjective, good, honest, noble, worthy)
3
impelling(adjective, moving, active, running, alive)
3
imposing(adjective, intense, powerful, outstanding, grand)
3
instrumental(adjective, good, strong, powerful, useful)
3
legally valid(adjective, strong, power, valid, legal)
3
masterful(adjective, keen, smart, intelligent, competent)
3
operable
3
opportune(adjective, happy, useful, practical, beneficial)
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APASmart Define. (2015). effective thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/effective/thesaurus/synonyms
ChicagoSmart Define. 2015. "effective thesaurus" https://smartdefine.org/effective/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, effective thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/effective/thesaurus/synonyms>.
MLASmart Define. "effective thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/effective/thesaurus/synonyms>