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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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Examples from the web for effectual
  • Of course, he is strongwilled and effectual mainly in the pursuit of his own interest.
  • Entrepreneurs are often good at effectual reasoning.
  • Early indications suggest the rookie company founders are spread all across the effectual-to-causal scale.
  • Yet for effectual change, significant shifts in pedagogy prove more powerful than surface additions.
British Dictionary definitions for effectual

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 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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