parole

(noun) a promise. Synonyms: word, word of honor. Example: "He gave his word."

(noun) a secret word or phrase known only to a restricted group. Synonyms: password, watchword, word, countersign. Example: "He forgot the password."

(noun) (law) a conditional release from imprisonment that entitles the person to serve the remainder of the sentence outside the prison as long as the terms of release are complied with.

(verb) release a criminal from detention and place him on parole. Example: "The prisoner was paroled after serving 10 years in prison."