1. A method of dealing with offenders; especially, young people who are guilty of minor crimes or first offenses, by allowing them to go at large under supervision of a probation officer.
2. The state of having been conditionally released by a court.
3. A trial period or condition for students in certain educational institutions who are being permitted to redeem failures, misconduct, etc.
4. A trial period in which a student is given time to try to redeem failing grades or bad conduct.
5. The testing or trial of a candidate for membership in a religious body or order, for holy orders, etc.
6. A process or period in which a person's fitness, as for work or membership in a social group, is tested.
7. In law: The act of suspending the sentence of a person convicted of a criminal offense and granting that person provisional freedom with the promise of good behavior.
8. A discharge for a person from commitment as an insane person on condition of continued sanity and of being recommitted upon the reappearance of insanity.