neo-Confucianism (Zhu Xi school); Cheng-Zhu school
Refers specifically to the philosophical system developed by Zhu Xi and his predecessors, which became influential in East Asia. In Japanese contexts, it often denotes the orthodox Confucianism of the Edo period.
During the Edo period, Zhu Xi's neo-Confucianism was regarded as the orthodox scholarship of the shogunate.
He is known as a scholar of the Cheng-Zhu school.