1509. Fisher, 7 Penit. Ps., li. Wks. 100. The excercysynge and doynge of many good werkes.
1548. R. Hutten, Sum of Diuinitie, Q vj b. They be exercisynges of faythe.
1616. Bingham, trans. Ælians Tacticks, 156. In exercising you must onely use these three termes of direction. Make ready. Present. Give fire.
1631. Gouge, Gods Arrows, III. xi. 206. All sorts of trainings and exercising of armes.
1709. W. Bishop, in Ballard MSS. (Bodleian), XXXI. 54. The Free Exerciseing of Their Religion.
1874. Knight, Dict. Mech., Exercising-apparatus. An apparatus for the use of gymnasts, or for the training of special muscles.
¶ Used gerundially with the omission of in.
1736. Chandler, Hist. Persec., 358. Whilst these severities were exercising against Protestants.