/ Dictionary / Index P presumable: Meaning and Definition of Find definitions for: pre•sum•a•ble Pronunciation: (pri-z'mu-bul), [key] — adj. capable of being taken for granted; probable. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: presumable (Thesaurus) Prestwick presumably Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language