Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

rationalism

play
noun ra·tio·nal·ism \ˈrash-nə-ˌli-zəm, ˈra-shə-nə-ˌli-\

Simple Definition of rationalism

  • philosophy : the belief that reason and experience and not emotions or religious beliefs should be the basis for your actions, opinions, etc.

Source: Merriam-Webster's Learner's Dictionary

Full Definition of rationalism

  1. 1 :  reliance on reason as the basis for establishment of religious truth

  2. 2 a :  a theory that reason is in itself a source of knowledge superior to and independent of sense perceptions b :  a view that reason and experience rather than the nonrational are the fundamental criteria in the solution of problems

  3. 3 :  functionalism 2

rationalist

play \-nə-list\ noun

rationalist

or

rationalistic

play \ˌrash-nə-ˈlis-tik, ˌra-shə-nə-ˈlis-\ adjective

rationalistically

play \-ti-k(ə-)lē\ adverb

1827

First Known Use of rationalism

1827


Learn More about rationalism


Seen and Heard

What made you want to look up rationalism? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to make consistent or congruous

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alphabet-pasta-spelling-help

Which is the correct spelling?

acommodate acommadate accommodate accomodate
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ