To ensure means to make sure something is going to happen. It is a promise that a future event will occur. Some examples: Passing this exam will ensure a passing grade in this class. The gymnast's perfect 10 ensured her the all-around gold medal. Writing every day ensures you will increase weekly word-count.What is another word for ensure?
Some common synonyms of ensure are assure, insure, and secure. While all these words mean "to make a thing or person sure," ensure, insure, and assure are interchangeable in many contexts where they indicate the making certain or inevitable of an outcome, but ensure may imply a virtual guarantee.