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license (n.)a legal document giving official permission to do something;
license (n.)freedom to deviate deliberately from normally applicable rules or practices (especially in behavior or speech);
license (n.)excessive freedom; lack of due restraint; "when liberty becomes license dictatorship is near"- Will Durant; "the intolerable license with which the newspapers break...the rules of decorum"- Edmund Burke;
license (n.)the act of giving a formal (usually written) authorization;