license

(noun) a legal document giving official permission to do something. Synonyms: licence, permit.

(noun) freedom to deviate deliberately from normally applicable rules or practices (especially in behavior or speech). Synonyms: licence.

(noun) excessive freedom; lack of due restraint. Synonyms: licence. Examples: "When liberty becomes license dictatorship is near"- will durant." "The intolerable license with which the newspapers break...the rules of decorum"- edmund burke."

(noun) the act of giving a formal (usually written) authorization. Synonyms: permission, permit.

(verb) authorize officially. Synonyms: licence, certify. Example: "I am licensed to practice law in this state."