Parole (noun)

1. The conditional release of a prisoner before the end of a sentence, on the promise of good behavior.
2. The formal release of a prisoner on the promise of good behavior.
3. The word of honor given by a prisoner of war.

Origin:

Late 16th century (in the sense "word of honour given by a prisoner of war"): from french, from italian parola "word", from latin parabola "comparison, illustration".

Examples:

1. He was released on parole after serving 10 years in prison.
2. The prisoner was granted parole after a hearing.
3. The parole board denied his request for release.
4. The prisoner broke his parole and was returned to prison.
5. The parole officer checked on him regularly to ensure compliance with the conditions of parole.