adv. Obs. [f. prec. + -LY2.] According to custom, as a matter of custom; habitually, usually, customarily.
1303. R. Brunne, Handl. Synne, 2697. Ȝyf þey synne custummably Yn þe hope of hys mercy.
c. 1430. Pilgr. Lyf Manhode, I. cxxviii. (1869), 67. This targe … whiche the kyng Salomon bar sum tyme customableche.
1485. Caxton, Chas. Gt., 118. Gyue almesse to þe poure peple largely and customably.
1548–9. (Mar.) Bk. Com. Prayer, 133 b. Whensoeuer the people be customably assembled to pray in the churche.
1697. View of Penal Laws, 257. Where the inhabitants have not customably used to river or wash their Sheep.
