/ Dictionary / Index I institutionalize: Meaning and Definition of Find definitions for: in•sti•tu•tion•al•ize Pronunciation: (in"sti-t'shu-nl-īz", -ty'-), [key] — -ized, -iz•ing. to make institutional. to make into or treat as an institution: the danger of institutionalizing racism. to place or confine in an institution, esp. one for the care of mental illness, alcoholism, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: institutionalize (Thesaurus) institutionalism institutionary Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language