47 entries under tough topic. ×

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accomplished(serious, practical, effective, controlled)
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active(energetic, effective, adept, effectual)
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apt(energetic, effective, adept, effectual)
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competent(energetic, practical, effective, adept)
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conducive(energetic, effective, adept, effectual)
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decisive(energetic, effective, adept, effectual)
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deft(adjective, correct, solid, exact)
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dynamic(energetic, effective, adept, effectual)
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economic(energetic, effective, adept, effectual)
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economical(energetic, effective, adept, effectual)
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effective(serious, practical, controlled, orderly)
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efficacious(energetic, effective, adept, effectual)
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energetic(effective, adept, effectual, well-organized)
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adapted(energetic, effective, adept, effectual)
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adept(energetic, effective, effectual, well-organized)
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adequate(energetic, effective, adept, effectual)
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capable(effective, adept, effectual, well-organized)
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effectual(effective, adept, well-organized)
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experienced(effective, adept, effectual, well-organized)
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expert(effective, adept, effectual, well-organized)
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APASmart Define. (2016). systematic thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/systematic/thesaurus/synonyms
ChicagoSmart Define. 2016. "systematic thesaurus" https://smartdefine.org/systematic/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, systematic thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/systematic/thesaurus/synonyms>.
MLASmart Define. "systematic thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/systematic/thesaurus/synonyms>