Legalized regime refers to a governing system authorized by law. It involves a set of rules and policies that are put in place by a governing body that has been granted the power to make decisions on behalf of a nation or state. Some common synonyms for legalized regime include lawful administration, legal system, authorized government, and legitimate ruling authority. These synonyms all indicate that the governing system in question is operating within the parameters of the law and has been given the legal authority to make the decisions it does. The use of these synonyms highlights the importance of the rule of law and the legitimacy of those who are tasked with implementing it.