justification
noun [ C or U ] uk/ˌdʒʌs.tɪ.fɪˈkeɪ.ʃən/ us/ˌdʒʌs.tə.fəˈkeɪ.ʃən/
C2 正当的理由；辩解
a good reason or explanation for something
There is no justification for treating people so badly. 没有理由如此恶劣地对待他人。
It can be said, with some justification, that she is one of the greatest actresses on the English stage today. 有理由说她是当今英语戏剧界最杰出的女演员之一。