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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 effectualnesses'

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
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Word Origin and History for effectualnesses'

effectual

adj.

late 14c., Old French effectuel, from Late Latin effectualis, from Latin effectus "accomplishment, performance" (see effect (n.)). Used properly of actions (not agents) and with a sense "having the effect aimed at." Related: Effectually; effectuality.

Online Etymology Dictionary, © 2010 Douglas Harper
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