https://www.merriam-webster.com/dictionary/decriminalize
decriminalize
de·crim·i·nal·ize | (ˌ)dē-ˈkri-mə-nə-ˌlīz , -ˈkrim-nəl-
Definition of decriminalize
transitive verb
1: to remove or reduce the criminal classification or status of
especially : to repeal a strict ban on while keeping under some form of regulation