/ Dictionary / Index A assertory: Meaning and Definition of Find definitions for: as•ser•to•ry Pronunciation: (u-sûr'tu-rē), [key] — adj. stated positively; affirmative: an assertory proposition. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. assertiveness training asses Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language