Definition

To make certain that something will happen or be the case.

Example

We need to ensure that everyone arrives on time for the meeting.

Tense Forms

Conversation

Did you remember to ensure we have enough snacks for the movie night?

I checked last night, and we should be good to go!

Great! I just want to make sure we don’t run out halfway through.

No worries, I've got it covered — we’ll definitely have enough!

Synonyms & Antonyms

Root Explanation

Ensure → It is formed from "en-" (meaning to cause to be) and "surer" (from Old French *surer*, meaning to make sure or secure). The word means to cause something to be certain or secure.

Memory Tip

Think of 'causing something to be' ('en-') and 'making sure' ('surer') — that's how ensure means to make certain.

Visually Confused Words