A person’s or thing’s first appearance before society or another audience; one’s “maiden voyage”.
To make one's début.
Assuming an appearance which is feigned, or not true.
A video game designed to convey a more or less realistic experience, as of a sport or warfare.
The process of simulating.
Something that simulates a system or environment in order to predict actual behaviour.
The act of falling over in order to be awarded a foul, when no foul has been committed.