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effectual

1 ENTRIES FOUND:
effectual ˈfɛktʃəwəl/ adjective
effectual
ˈfɛktʃəwəl/
adjective
Britannica Dictionary definition of EFFECTUAL
[more effectual; most effectual] formal
: producing a desired result or effect opposite ineffectual

— effectually

ˈfɛktʃəwəli/ adverb