(noun)
a promise made by a prisoner of war that they will not escape or that they will fulfil certain conditions if they are released, such as returning under specified circumstances or not attacking;
e.g. He gave his parole before leaving the enemy base.
(noun)
(linguistics) the specific usage, behavior, and performance of language by an individual;
e.g. She studies the parole of language in the community.
(verb)
to release someone from prison before the end of their sentence on the promise that they will maintain good behavior;
e.g. The officials refused to parole her due to the nature of her crime.