† reasonfullyadv.
Obsolete. rare.
Reasonably.
ΘΚΠ
the mind > mental capacity > understanding > reason, faculty of reasoning > [adverb]
with reasonc1300
skilfullyc1325
skillwiselya1340
skilfula1400
reasonablyc1400
of reason1405
in reasona1450
upon reasonc1450
reasonfully1532
justlya1538
rationablya1540
reasonally1567
reasonable1573
as soon (as)1579
rationally1610
to reason1613
rational1662
correctlya1704
rightly1703
upon the weight of1710
legitimately1794
well-foundedly?1841
tarblish1842
sanely1884
1532 (c1385) Usk's Test. Loue in Wks. G. Chaucer iii. f. cccli Reasonfully may be sey, that mercy bothe right and lawe passeth.
This entry has been updated (OED Third Edition, June 2009; most recently modified version published online June 2021).
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adv.1532