a. Obs. Also 4 effectuos, 5 -wis, -uis, -eous, 6 -us. [ad. OF. effectueux, ad. med.L. effectuōsus, f. effectu-s: see EFFECT sb. and -OUS.]
1. = EFFECTUAL a. 1.
c. 1400. Apol. Loll., 55. Þe word of dede is more effectuos in werkyng þen þe word of þe mouþ.
1495. Act 2 Hen. VII., c. 61 § 7. The same graunt … [shall be] advaillable, good and effectuous.
1548. G. Wishart, in Misc. Wodr. Soc. (1844), 12. This fayth is effectuous through charitie.
1562. Turner, Herbal, II. 96 b. The lesse kynde [of Poly] is … more effectuus or stronger in workyng.
1563. Homilies, II. Right Use Ch., I. (1859), 154. The effectuous presence of his heavenly Grace.
1567. Maplet, Gr. Forest, 4 b. Ceraunium … is … effectuous to bring a man in sweete sleepe.
1610. Barrough, Meth. Physick, III. lx. (1639), 197. And if the evill hath continued long, you must come to more effectuous remedies.
2. Of prayer, etc.: Urgent, earnest; = EFFECTUAL 4.
1535. Goodly Primer (1834), 226. An effectuous prayer, very needful in these last … days.
1536. Bedyl, in Strype, Eccl. Mem., I. I. xxxv. 268. Two Brethren … have given their Bills inclosed unto me, very effectuous.
1655. Fuller, Ch. Hist., IX. 203. By our most effectuous and earnest Letter.
