[1] : The Collaborative International Dictionary of English v.0.48

effectual \effec"tual\ ?; 135, a. see effect, n.
   producing, or having adequate power or force to produce, an
   intended effect; adequate; efficient; operative; decisive.
   --shak.
   1913 webster

         effectual steps for the suppression of the rebellion.
                                                  --macaulay.
   1913 webster

   effectual calling theol., a doctrine concerning the work
      of the holy spirit in producing conviction of sin and
      acceptance of salvation by christ, -- one of the five
      points of calvinism. see calvinism.

   syn: effectual, efficacious, effective.

   usage: an efficacious remedy is had recourse to, and proves
          effective if it does decided good, effectual if it
          does all the good desired. --c. j. smith.
          1913 webster
see also:
effect effectual calling calvinism effectual efficacious effective 

[2] : WordNet (r) 2.0

effectual
     adj 1: sufficient to produce a result; "a man to whom painting was
            but another and less effectual way of writing dramas
            or novels or history" ant: ineffectual
     2: producing or capable of producing an intended result or
        having a striking effect; "an air-cooled motor was more
        effective than a witch's broomstick for rapid
        long-distance transportation"-lewismumford; "effective
        teaching methods"; "effective steps toward peace"; "made
        an effective entrance"; "his complaint proved to be
        effectual in bringing action"; "an efficacious law" syn:
        effective, efficacious ant: ineffective
     3: exerting or capable of exerting strong physiological or
        chemical effects; "an effectual vaccine"
see also:
ineffectual effective efficacious ineffective 

[3] : Moby Thesaurus II by Grady Ward, 1.0

108 moby thesaurus words for "effectual":
   able, achieving, active, actual, adequate, ascertained, attested,
   authenticated, authoritative, banausic, behind the scenes, binding,
   capable, categorically true, causal, causative, certain, certified,
   charismatic, charming, competent, conclusive, confirmed,
   consequential, constitutive, corroborated, decisive, demonstrated,
   determinative, determined, documentary, effective, efficacious,
   efficient, enchanting, equal to, established, estimable,
   etiological, factual, feasible, forceful, forcible, formative,
   fulfilling, functional, go, historical, important, in force,
   influential, institutive, lawful, legal, magnetic, momentous,
   not in error, objectively true, occasional, operable, operational,
   operative, originative, personable, persuasive, pivotal, potent,
   powerful, practicable, practical, pragmatic, prestigious,
   productive, proficient, proved, real, realizable, reputable, sound,
   strong, suasive, substantial, substantiated, sure-enough, telling,
   toothy, true, true as gospel, truthful, unconfuted, undenied,
   undoubted, unerroneous, unfallacious, unfalse, unmistaken,
   unquestionable, unrefuted, up to, useful, valid, validated,
   veracious, verified, veritable, weighty, winning, workable

Effectual >> E Words
Effectual, definition of term: Effectual
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