justification
in epistemology, the reason why someone properly holds a belief, the explanation as to why the belief is a true one, or an account of how one knows what one knows
en-US/ˌd͡ʒʌstəfəˈkeɪʃən/
en-GB/ˌd͡ʒʌstɪfɪˈkeɪʃn/
in epistemology, the reason why someone properly holds a belief, the explanation as to why the belief is a true one, or an account of how one knows what one knows