credence
noun [ U ] formal uk/ˈkriː.dəns/ us/ˈkriː.dəns/
支持；相信，信任
the belief that something is true
I'm not prepared to give credence to anonymous complaints. 我不会相信那些匿名投诉。
His bruises added/lent credence to his statement that he had been beaten. 他的淤伤证实了自己被打的说法。