determinant C2+

/dɪˈtɝmɪnənt/ a factor that decisively influences an outcome

determinative C2+

/dɪˈtɝmɪnətɪv/ serving to decide or define; a deciding factor or marker

determinism C2+

/dɪˈtɝmɪˌnɪzəm/ the doctrine that all events are determined by prior causes