efficaciousness
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ef·fi·ca·cious
(ĕf′ĭ-kā′shəs)adj.
Producing or capable of producing a desired effect. See Synonyms at effective.
[From Latin efficāx, efficāc-, from efficere, to effect; see effect.]
ef′fi·ca′cious·ly adv.
ef′fi·ca′cious·ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Noun 1. efficaciousness - capacity or power to produce a desired effect; "concern about the safety and efficacy of the vaccine"
effectiveness, effectivity, effectuality, effectualness - power to be effective; the quality of being able to bring about an effect
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
efficaciousness
nounThe power or capacity to produce a desired result:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.