simulator

/ˈsɪm.jəˌleɪ.tɚ/
noun
  1. A device or program that imitates a real system or situation, often used for training or entertainment.
    • My favorite video game is a flight simulator where you can fly planes around the world.
    • Astronauts train for space missions using a weightlessness simulator.
    • The driving simulator helps new drivers practice in different weather conditions.