IPA: /ˌsɪmjuˈleɪʃən/
KK: /sɪmjuˈleɪʃən/
A process or method of imitating or representing something, often used for testing or training purposes.
The engineers used a simulation to test the new software before its release.
Simulation → It is formed from "simul" (meaning together or at the same time) and the suffix "-ation" (indicating a process or action). The word "simulation" refers to the process of imitating or replicating something, often to study or understand it better.
Think of 'simul' meaning 'together' or 'at the same time' — this helps you remember that 'simulation' is the process of imitating something.