Entrusting someone with authority is a common practice in many organizations. The term 'entrust, as authority' can be summarized by two crossword solutions: DELEGATE (8 letters) and REPOSE (6 letters). DELEGATE is defined as to entrust (a task or responsibility) to another person, while REPOSE is defined as to entrust (something) to the care of another. Therefore, both words can be used to describe the act of entrusting someone with authority.