Criminalisation is the process of making an act or behavior illegal and subject to punishment by law. The antonyms, on the other hand, would refer to the decriminalization or legalization of an act or behavior. Some antonyms for criminalization would include legalization, decriminalization, legitimization, authorization, and approval. These concepts suggest that certain actions or behaviors should no longer be considered criminal or subject to punishment by law, but rather accepted, regulated, or even encouraged. Antonyms for criminalization are often associated with controversial issues, such as drug use, prostitution, and same-sex marriage. By legalizing or decriminalizing, it can lead to social and political change as well as bring about economic benefits.