名詞 rationalist:

1. someone who emphasizes observable facts and excludes metaphysical speculation about origins or ultimate causes
   同義詞：positivist

形容詞 rationalist:

1. of or relating to or characteristic of rationalism

1. It is a classic sanctuary in which the rationalist fancy may take refuge.
   這是一所古雅的圣殿，理性主義者可以躲在其中。