/ Dictionary / Index E estab.: Meaning and Definition of Find definitions for: estab. Pronunciation: [key] established. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. EST establish Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language