Probational is an adjective that refers to a temporary or provisional period of time during which a person's conduct and behavior are under observation or scrutiny. Other synonyms for probational include provisional, temporary, conditional, trial, and experimental. These words imply a period of testing or observation that is temporary and subject to change or evaluation. The purpose of a probational period may be to assess a person's suitability for a particular role, to provide an opportunity for growth and development, or to ensure that certain standards are being met. Regardless of the context, probational periods are an important part of many organizational processes, and the right synonym can help capture the nuances of the situation.