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1846, in theology (lack of free will); 1876 in general sense of "doctrine that everything happens by a necessary causation," from French déterminisme, from German Determinismus, perhaps a back-formation from Praedeterminismus (see determine).
determinism de·ter·min·ism (dĭ-tûr'mə-nĭz'əm)
The philosophical doctrine that every event, act, and decision is the inevitable consequence of antecedents, such as genetic and environmental influences, that are independent of the human will.