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effectual

[ih-fek-choo-uh l] /ɪˈfɛk tʃu əl/
adjective
1.
producing or capable of producing an intended effect; adequate.
2.
valid or binding, as an agreement or document.
Origin
late Middle English
1350-1400
1350-1400; Middle English effectuel (< AF), late Middle English effectual < Medieval Latin effectuālis, equivalent to Latin effectu-, stem of effectus effect + -ālis -al1
Related forms
effectually, adverb
effectualness, effectuality, noun
preeffectual, adjective
preeffectually, adverb
Synonyms
1. See effective.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for effectualness's

effectual

/ɪˈfɛktjʊəl/
adjective
1.
capable of or successful in producing an intended result; effective
2.
(of documents, agreements, etc) having legal force
Derived Forms
effectuality, effectualness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for effectualness's
effectual
late 14c., O.Fr. effectuel, from L.L. effectualis, from effectus (see effect). Related: Effectually.
Online Etymology Dictionary, © 2010 Douglas Harper
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