Synonyms|509Antonyms|103|Broader|4Narrower|8Related|587
2
accomplished(adjective, tough, keen, smart, intelligent)
2
actual
2
adept(adjective, tough, bright, expert, competent)
2
adroit(keen, smart, bright, intelligent, expert)
2
agile(keen, smart, intelligent, competent, capable)
2
all there(expression, bright, active, wise, sharp-witted)
2
au fait(expression, keen, smart, intelligent, competent)
2
behind the scenes(expression, idiom)
2
brilliant(keen, smart, intelligent, competent, capable)
2
canny(bright, sharp-witted, quick-thinking)
2
causal
2
causative
2
certain
2
charismatic
2
profitable(tough, useful, effective, beneficial, advantageous)
2
puissant(power, prevailing, influential, commanding)
2
sovereign(adjective, strong, energetic, effective, independent)
2
striking(adjective, important, powerful, effective)
2
up to(verb, phrasal verb, power)
2
versatile(adjective, utilizable)
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HarvardSmart Define 2015, effectual thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/effectual/thesaurus/synonyms>.
MLASmart Define. "effectual thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/effectual/thesaurus/synonyms>