/ Dictionary / Index M maturate: Meaning and Definition of Find definitions for: mat•u•rate Pronunciation: (mach'u-rāt"), [key] — -rat•ed, -rat•ing. to suppurate. to mature. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: maturate (Thesaurus) Matura diamond maturation 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