Obs. rare–1. [n. of action f. OFr. acostume-r, late L. *accōstūmā-re: see -ATION.] The action of rendering habitual; the habitual practice or use.
1605. Narrat. Bloudy Murthers of Sir J. Fitz (1860), 14. [He] stoutly persevered in the accustimation of his former breaches of all commendable carriage.
