An Encylopedia Britannica Company

rationalism

1 ENTRIES FOUND:
rationalism /ˈræʃənəˌlɪzəm/ noun
rationalism
/ˈræʃənəˌlɪzəm/
noun
Britannica Dictionary 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.

— rationalist

/ˈræʃənəlɪst/ noun, plural rationalists [count]

— rationalist

or rationalistic /ˌræʃənəˈlɪstɪk/ adjective, always used before a noun