/ Dictionary / Index S support level: Meaning and Definition of Find definitions for: support' lev"el Pronunciation: [key] — Stock Exchange. Stock Exchange. a minimum price below which a specific stock is not supposed to fall, as because of the stock's inherent worth. Also calledCf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. supportive psychotherapy support mission Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language