280 entries under noun topic. ×

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appeal(end, reason, interest, use)
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arm(power, strength, energy, vigor)
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art(power, ability, skill, means)
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asset(strength, forte)
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assistance
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attitude
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attraction(end, reason, interest, use)
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attractiveness(keenness, lowness)
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bearing(force, power, strength, intensity)
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bent(ability, capacity, competence, potential)
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brio(go, energy, vigor, enthusiasm)
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brunt(power, strength, energy, vigor)
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burn(vigor, liveliness, vitality, get-up-and-go)
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charm(end, reason, interest, use)
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cheapness(keenness, lowness)
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coercion(power, strength, energy, vigor)
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competency(performance, energy, ability, skill)
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concentration
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concern(force, power, strength, intensity)
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conductivity(vigor, liveliness, vitality, get-up-and-go)
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APASmart Define. (2016). effectiveness thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/effectiveness/thesaurus/synonyms
ChicagoSmart Define. 2016. "effectiveness thesaurus" https://smartdefine.org/effectiveness/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, effectiveness thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/effectiveness/thesaurus/synonyms>.
MLASmart Define. "effectiveness thesaurus" 25 February 2016. Web. 26 September 2026. <https://smartdefine.org/effectiveness/thesaurus/synonyms>