ef·fec·tu·al ( -f k ch - l)adj. Producing or sufficient to produce a desired effect; fully adequate. See Synonyms at effective. [Middle English effectuel, from Old French, from Late Latin effectu  lis, from Latin effectus, result, effect; see effect.]ef·fec  tu·ali·ty (- l-t ), ef·fectu·al·ness n.ef·fec tu·al·ly adv. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | effectualness - power to be effective; the quality of being able to bring about an effect power, powerfulness - possession of controlling influence; "the deterrent power of nuclear weapons"; "the power of his love saved her"; "his powerfulness was concealed by a gentle facade" incisiveness, trenchancy - keenness and forcefulness of thought or expression or intellect efficaciousness, efficacy - capacity or power to produce a desired effect; "concern about the safety and efficacy of the vaccine" |
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