He was called 'Juso' since he excelled in Jugaku (Cofucianism), and he was also well-known as a physiognomist ("Chugaisho"(narrative of FUJIWARA no Tadazane), "Kojidan"(Talks of the Past)).
儒学に優れていたことから「儒宗」と呼ばれ、さらには相人としての評判も高かった（『中外抄』『古事談』）。