probation

You'll be on probation for first six months. After that, if you work out, they'll hire you permanently.

He got two years probation for robbery.

A probation of long and shameful years must be gone through; each one with the endurance more bitter, suffering yet more intolerable, before the debtor can arrive at that system of reckless evasion which is the last stage of poverty.

And I shall proceed to consider the testimony of Experience, when I shall have first advertis'd You, that if Men were as perfectly rational as 'tis to be wish'd they were, this sensible way of Probation would be as needless as 'tis wont to be imperfect.