[f. as prec. + -NESS.] Tendency towards assertion or self-assertion.
1881. C. L. Perkis, Wanted an Heir, 79. In gait there was a crispness and assertiveness.
1883. Miss Braddon, Gold. Calf, xxvii. 317. Brian … talked with loud assertiveness of the right of genius to do what it likes.
