언뜻 보기에 모순되어 보이는 여러 가지 교리와 수행의 다양성을 모와 상통하도록 해석하는 일종의 통합불교. 원효대사의 한결같은 주장

All-embracing universal Buddhism: A unique feature of Korean Buddhism that tries to encompass or accommodate all the seeming different sectarian doctrines and practices into one fundamental teaching of Buddha as an expedient by recognizing the different aspects Buddhism. The foremost arbiter was the Venerable Master Wonhyo (617-686) of the Silla Dynasty of Korea.