[f. as prec. + -NESS.] The quality of being conclusive; decisiveness.
1677. Hale, Prim. Orig. Man., I. ii. 57. Consideration of things to be known … and of their several weights, conclusiveness, or evidence.
1845. Whately, Logic, in Encycl. Metrop., 198/1. To analyze some clear and valid arguments, and to observe in what their conclusiveness consists.
