Definitions

1. noun

A device or program that simulates the operation of something, especially a machine or system.

“The flight simulator allowed the pilot to practice landing in different conditions.”

2. verb

To simulate or mimic the operation of something.

“The new software simulates the behavior of a complex system, making it easier to understand.”

3. noun

A person who simulates or pretends to be someone else, especially for entertainment or theatrical purposes.

“The actor is a skilled simulator, able to convincingly portray different characters.”