decriminalise
de-crim-i-nal-ise
verb
To remove or reduce the legal penalties for a particular action or substance.
"Many countries are choosing to decriminalise cannabis."
Thesaurus
Synonyms: legalise, legitimise, legitimate, decriminalize, legalize, legitimize, legitimatise, legitimatize
Antonyms: criminalise, criminalize, illegalise, illegalize, outlaw