/ Dictionary / Index D discretionary account: Meaning and Definition of Find definitions for: discre'tionary account' Pronunciation: [key] an account in which the stockbroker is allowed complete control over the purchase and sale of securities on the customer's behalf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. discretionary discriminable 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