legalization
Word family (noun) legality ≠ illegality legalization legalese illegal (adjective) legal ≠ illegal legalistic (verb) legalize (adverb) legally ≠ illegally
From Longman Business Dictionarylegalizationle‧gal‧i‧za‧tion /ˌliːgəlaɪˈzeɪʃən -lə-/ (also legalisation British English)LAW noun [uncountable] the act of making something legal that was previously against the lawthe legalization of trade unions, which had been outlawed