someone who emphasizes observable facts and excludes metaphysical speculation about origins or ultimate causes
<noun.person> [ adj ]
of or relating to or characteristic of rationalism
<adj.pert> rationalist philosophy
Rationalist \Ra"tion*al*ist\, n. [Cf. F. rationaliste.] One who accepts rationalism as a theory or system; also, disparagingly, a false reasoner. See Citation under {Reasonist}.
Since the Church of England has broken conclusively with the world-wide Catholic Church by declaring that women shall be priests, it might as well go the whole rationalist hog and break with Pope Gregory's calendar.