rationalism /ˈræʃənəˌlɪzəm/ noun Learner's definition of RATIONALISM
[noncount] philosophy
: the belief that reason and experience and not emotions or religious beliefs should be the basis for your actions, opinions, etc.理性主义；唯理论
— rationalist
/ˈræʃənəlɪst/ noun, plural rationalists [count] — rationalist
or rationalistic /ˌræʃənəˈlɪstɪk/ adjective, always used before a noun