EXPERIMENTATION in the space of theories, or a combination of experimentation and THEORIZATION. Some numerical simulations are PROGRAMS that represent a MODEL for how nature works. Usually, the outcome of a simulation is much a surprise as the outcome of a natural event, due to the richness and uncertainty of COMPUTATION.
something that is done so as to be like the real thing In order to test the resistance of the packing material to heat and humidity it was necessary to simulate the conditions inside the warehouse. simulation (n), simulated (adj), simulator (n)