magisterial

1. ADJ If you describe someone's behaviour or work as magisterial, you mean that they show great authority or ability. 權威的[正式] [usu ADJ n]

...his magisterial voice and bearing. …他權威的聲音和儀態。

The World History of Human Disease is a magisterial work. 《世界人類疾病史》是一部權威的作品。