DictionarystimulatorSource of stimulation
noun

stimulator

STIM-yuh-lay-ter/stˈɪmjʌlˌeɪtɝ/

Someone or something that increases activity, interest, or excitement.

The electrical stimulator activates the leg muscle and causes it to extend.

An electrical muscle stimulator demonstrated in two large matched views: the connected leg hangs relaxed with the device inactive, then extends with the device activated.
Etymology

The goad root and agent ending describe something that urges another thing into action. A device or substance called a stimulator plays that role by increasing activity or provoking a response.

In context

This Week in Science (TWIS)89:19
the options are electrical stimulation by hand so that's attaching some sort of stimulator to the Scorpion with your bare hands or mechanical stimulation which means basically encouraging the Scorpion to strike something
Wait For It... - This Week in Science Podcast (TWIS) - Episode 626

More examples

  • Exercise can be a powerful stimulator of appetite.
  • The device acts as a nerve stimulator during treatment.
  • New businesses serve as stimulators of the local economy.

Forms

stimulator · stimulators

stimulate verb — To increase activity, interest, or excitement.

stimulation noun — The act of increasing activity or interest.

Similar words

catalyst
Emphasizes triggering change rather than increasing ongoing activity or interest.
stimulant
Usually refers to a substance that increases alertness or activity.
motivator
Emphasizes giving someone a reason or desire to act.