Obs.; also 6–7 atchievance. [a. OFr. achevance, n. of action f. achever to ACHIEVE. See -ANCE.] Achievement, performance.
1531. Elyot, Governor, 195 (1580). To them that will read his noble actes and atchieuances.
1599. Hakluyt, Voy., II. 26. Of all which his atchevances the sayd K. Richard sent his letters of certificate.
1633. T. N[ewton], Lemnie’s Touchst. Complex., 28. Their dexterity for the attainment of any notable atchievance surpasseth.
