probabilism

/ˈprɑb.ə.bəˌlɪz.əm/
noun
  1. The philosophical or ethical doctrine that when certainty is impossible, it is acceptable to act on a probable opinion or belief.
    • In ethics, probabilism allows a person to follow a probable opinion even if a safer one exists.
    • The philosopher argued for probabilism, saying we must make decisions based on the best available evidence.
    • Probabilism became popular among medieval scholars who dealt with moral uncertainty.