D defs.my
Entry 1 sense Webster, 1913

Rationalist

· Ra·tion·al·ist · IPA
01 n. One who accepts rationalism as a theory or system; also, disparagingly, a false reasoner. See Citation under Reasonist.
  1. 1.
    One who accepts rationalism as a theory or system; also, disparagingly, a false reasoner. See Citation under Reasonist. See: Reasonist