/ Dictionary / Index L legalize: Meaning and Definition of Find definitions for: le•gal•ize Pronunciation: (lē'gu-līz"), [key] — -ized, -iz•ing. to make legal; authorize. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: legalize (Thesaurus) legality Le Gallienne Related Content Daily Word Quiz: menagerie Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language