im·mu·nize [ ímmyə nz ](past and past participleim·mu·nized, present participleim·mu·niz·ing, 3rd person present singularim·mu·niz·es)
transitive verb
Definition:
1. make somebody resistant to a disease: to make somebody resistant to a disease, especially by vaccination people who were immunized against tuberculosis
2. grant somebody exemption: give somebody exemption or protection from something that others are subjected to, especially in a criminal matter under investigation
