verb, -ized, -iz⋅ing.| 1. | to release (a mentally or physically handicapped person) from a hospital, asylum, home, or other institution with the intention of providing treatment, support, or rehabilitation primarily through community resources under the supervision of health-care professionals or facilities. |
| 2. | to remove (care, therapy, etc.) from the confines of an institution by providing treatment, support, or the like through community facilities. |
| 3. | to free from the confines or limitations of an institution. |
| 4. | to free from the bureaucracy and complex procedures associated with institutions. |
| 5. | to give up or lose institutional character or status; become deinstitutionalized. |