What is the sentence for word ensure?

"Ensure" is a verb, so it doesn't have a specific sentence. However, you can use it in a sentence like this:

"Please ensure that the door is locked before you leave."

Here are some other examples:

* "We need to ensure that everyone has access to clean water."

* "The company is taking steps to ensure the safety of its employees."

* "The doctor ensured me that the surgery was successful."

Let me know if you have any other questions!