deterministic

/dɪˌtɜːrmɪˈnɪstɪk/
adjective
  1. Relating to the idea that everything happens because of causes that came before, and that future events are completely decided by those causes.
    • The scientist's deterministic model predicted the outcome with perfect accuracy.
    • Some people find a deterministic worldview depressing because it leaves no room for chance.
    • In a deterministic universe, every event is the inevitable result of what came before.
  2. In computing and mathematics, producing the same result every time for the same input, with no randomness.
    • A deterministic algorithm always gives the same answer when given the same data.
    • Unlike random number generators, deterministic functions are predictable.
    • The simulation is deterministic, so you can repeat the experiment exactly.