efficacyn.
/ˈɛfɪkəsi/ 1. Power or capacity to produce effects; power to effect the object intended. (Not used as an attribute of personal agents: cf. efficacious adj.)
ΘΚΠ
the world > action or operation > advantage > efficacy > [noun]
mainOE
mightOE
strengthOE
efficace?c1225
bootingc1300
effectc1390
powera1393
boota1400
efficacity1430
operationc1450
valure1483
feck1495
efficacy1527
effectualness1545
effectuousnessa1576
validity1593
effectiveness1607
workingness1611
efficaciousnessa1628
operativeness1627
efficiency1633
effectualitya1641
energy1668
availablenessa1676
availment1699
potentialness1727
affectingnessa1774
effectivity1838
efficience1865
well working1879
1527 L. Andrewe tr. H. Brunschwig Vertuose Boke Distyllacyon Prol. Charmes of eficacye unnaturall by the devyll envented.
1532 T. More Confut. Barnes in Wks. (1557) 740/2 Theffect and effecacy of al these thynges, commeth of God.
1563 T. Hill Arte Gardening (1593) 165 The seedes may well be kept for three yeares in good efficacie.
1646 Sir T. Browne Pseudodoxia Epidemica i. x. 40 An act, not..beyond the efficacy of the Sun. View more context for this quotation
1744 G. Berkeley Siris (ESTC T72826) §4 A medicine of such efficacy in a distemper.
1750 S. Johnson Rambler No. 47. ⁋11 The efficacy of mirth it is not always easy to try.
1793 N. Chipman Rep. & Diss. i. 108 The division..was not..taken to have any legal efficacy.
1846 H. H. Wilson Hist. Brit. India 1805–35 II. xii. 554 To maintain the village institutions of the country in entireness and efficacy.
1856 J. A. Froude Hist. Eng. (1858) I. ii. 103 No measures would be of efficacy which spared the religious houses.
ΘΚΠ
the world > action or operation > advantage > usefulness > use (made of things) > instrumentality > [noun] > course adopted to achieve an end
waya1225
wonec1290
mean waya1425
policyc1430
method1526
politicsa1529
politic1588
game1595
dent1597
efficacy1690
tactics1772
tactic1791
strategy1834
game plan1957
1690 J. Locke Ess. Humane Understanding ii. xxii. 135 The efficacy whereby the new Substance or Idea is produced, is called, in the subject, exerting that Power, Action; but in the subject, wherein any simple Idea is changed or produced, it is called Passion.
1690 J. Locke Ess. Humane Understanding iv. iii. 277 We are ignorant of the several Powers, Efficacies, and Ways of Operation, whereby the Effects..are produced.
a. Effect.
ΘΚΠ
the world > existence and causation > causation > effect, result, or consequence > [noun]
proofc1330
worka1382
workinga1382
consequentc1386
effectc1390
processa1400
consequencec1400
sequel1477
efficacea1492
operation1525
branch1526
efficacy1549
trial1559
ensuing1561
repercussion1603
success1606
productiona1610
salutation1609
succeedinga1616
pursuancea1626
spawna1631
income1635
result1638
importance1645
consequency1651
product1651
causal1652
causate1656
consectary1659
propter hoc1671
inference1673
corollary1674
resultment1683
produce1698
recussion1754
development1803
suitea1806
eventuation1813
sequent1838
sequence1853
causatum1879
sequela1883
ramification1925
1549 H. Latimer 2nd Serm. before Kynges Maiestie 5th Serm. sig. Oiiij You by youre prayer can worcke greate efficacye.
1614 T. Overbury et al. Characters in Wife now Widdow (4th impr.) sig. F His arguing is but the efficacie of his eating.
b. ? Actual event. Obsolete.
ΚΠ
1633 Bp. J. Hall Plaine Explic. Hard Texts i. 350 In the efficacy of his appearance, he shall be so glorious.
This entry has not yet been fully updated (first published 1891; most recently modified version published online December 2020).
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