Definition

To make something start working or to cause it to become active.

Example

The technician will activate the new software system tomorrow.

Tense Forms

Conversation

Did you remember to activate the security system before leaving?

I completely forgot! Thanks for reminding me.

No problem! It's important to activate it to keep everything safe.

I'll do it right now, just to be safe.

Synonyms & Antonyms

Root Explanation

Activate → It is formed from "ad-" (meaning to) and "civare" (meaning to make active or to set in motion). The word "activate" means to make something active or to set it in motion.

Memory Tip

Think of 'to make active' — 'ad-' means to, and 'civare' means to make active. This helps you remember that activate means to set something in motion.

Visually Confused Words