IPA: /prəˈbeɪʃənl/
KK: /proʊˈbeɪʃənl/
Relating to a trial period during which a person's performance is evaluated before they are confirmed in a position or role.
She was on a probational period at her new job to see if she was a good fit for the team.
Probational → It is formed from "probatio" (from Latin, meaning testing or proving) and the suffix "-al" (meaning relating to). The word "probational" refers to something that is related to a period of testing or trial.
Think of 'testing' ('probatio') to remember that 'probational' relates to a period of testing or trial.