1. the act of imitating or copying something real
2. a computer model that represents a real situation or process
Usage: computing; science
3. something that is made to look real but is not genuine

Examples

• The flight simulation helped train new pilots safely.
• Scientists used computer simulation to predict weather patterns.
• The military conducted a simulation of the rescue mission.
• Her tears were just a simulation to get attention.
• The simulation showed how the building would collapse in an earthquake.
• Virtual reality creates an impressive simulation of underwater exploration.
• The simulation revealed flaws in the original design.