-ˈfekch(əw)əl, -ksh- adjective
Etymology: Middle English effectuel, effectual, from Middle French & Medieval Latin; Middle French effectuel, from Medieval Latin effectualis, from Latin effectus effect + -alis -al — more at effect
1. : characterized by adequate power to produce an intended effect : productive of a result or effect : effective
a man to whom painting was but another and less effectual way of writing dramas, novels, or history — Aldous Huxley
no Oriental veil could be more effectual than her beautiful Catholic quiet — H.G.Wells
2. obsolete : impressively earnest or pertinent
the effectual fervent prayer of a righteous man availeth much — Jas 5:16 (Authorized Version)
3. : actual
the effectual truth of the matter
sufficient to supply the effectual demand and no more — Adam Smith
Synonyms: see effective