The term 'exercised authority over' can be summarized by the word 'bossed, ' which is a 6-letter word. Bossing is a term used to describe the act of having authority over someone or something, and it is often used in the workplace. It involves making decisions, giving orders, and ensuring that those orders are followed. Bossing is an important part of any organization, as it helps to ensure that tasks are completed in a timely and efficient manner.