Put on parole means to release a prisoner from jail before the completion of their sentence, under certain conditions. There are several synonyms for this term. The most commonly used is "grant parole," which means to allow a prisoner to be released under specific rules and regulations. Another synonym is "release on parole," which indicates the same meaning - releasing a prisoner with conditions. "Place on parole" is also an equivalent term. All these phrases describe the process of releasing a prisoner from custody and placing them under supervision. Parole is granted to those who are deemed fit to re-enter society and follow the rules set by their parole officer.