Definition

Causing stimulation or excitement in a biological context, often related to nerve cells or neurotransmitters.

Example

The excitatory signals in the brain help to increase activity and promote communication between neurons.

Conversation

I was reading about how excitatory neurotransmitters work in the brain.

Oh really? That sounds interesting! What do they do?

They actually help to stimulate brain activity and enhance communication between neurons.

That makes sense! It's amazing how our brains work to keep us alert.

Synonyms & Antonyms

Root Explanation

Excitatory → It is formed from "ex-" (meaning out) and "citare" (meaning to call or summon). The word "excitatory" refers to something that calls out or stimulates a response.

Memory Tip

Think of something that 'calls out' or 'stimulates' a reaction — 'ex-' means out, and 'citare' means to call.

Visually Confused Words