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From The Collaborative International Dictionary of English v.0.44 [gcide]:
Efficacious \Ef'fi*ca"cious\, adjective [L. eficax, -acis, fr. efficere. See {Effect}, noun] Possessing the quality of being effective; productive of, or powerful to produce, the effect intended; as, an efficacious law.
Syn: See {Effectual}. -- {Ef'fi*ca"cious*ly}, adverb
From WordNet (r) 2.0 [wn]:
efficacious
adjective
1: marked by qualities giving the power to produce an intended effect; "written propaganda is less efficacious than the habits and prejudices...of the readers"-Aldous Huxley; "the medicine is efficacious in stopping a cough" [ant: {inefficacious}]
2: producing or capable of producing an intended result or having a striking effect; "an air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation"-LewisMumford; "effective teaching methods"; "effective steps toward peace"; "made an effective entrance"; "his complaint proved to be effectual in bringing action"; "an efficacious law" [syn: {effective}, {effectual}] [ant: {ineffective}]
From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:
44 Moby Thesaurus words for "efficacious": able, active, adequate, authoritative, capable, charismatic, charming, competent, consequential, effective, effectual, efficient, enchanting, equal to, estimable, functional, go, important, influential, magnetic, momentous, operational, operative, personable, persuasive, potent, powerful, practical, prestigious, productive, proficient, puissant, reputable, serviceable, strong, suasive, substantial, successful, telling, up to, useful, virtuous, weighty, winning
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Definitions retrieved from local copies of the freely distributed DICT client/server software and databases. Click here for database copyright information. - KM |