probation
Pronunciation: /prəˈbeɪʃ(ə)n/
noun
- the release of an offender from detention, subject to a period of good behaviour under supervision: I went to court and was put on probation
- a process of testing or observing the character or abilities of a person who is new to a role or job: for an initial period of probation your manager will closely monitor your progress

Origin:
late Middle English (denoting testing or investigation): from Old French probacion, from Latin probatio(n-), from probare 'to test, prove' (see prove). The legal use dates from the late 19th century