/ Dictionary / Index A attainment: Meaning and Definition of Find definitions for: at•tain•ment Pronunciation: (u-tān'munt), [key] — n. an act of attaining. something attained; a personal acquirement; achievement. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: attainment (Thesaurus) attainder attaint 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