a. rare. [f. L. type *compositōri-us, f. compositor, taken in sense ‘composer’ + -AL.] Of or pertaining to composers or compositors.

1

1821.  New Monthly Mag., I. 471. His [Handel’s] compositorial supremacy. Ibid. (1823), IX. 202/1. Rossini … seems to be the idol of the rising compositorial generation in Italy.

2

1844.  Tupper, Twins, Postscr. 222. These compositorial difficulties are among the minor tribulations of … authorship.

3