Ra"tion*al*ize (?), v. t.
1.
To make rational; also, to convert to rationalism.
2.
To interpret in the manner of a rationalist.
3.
To form a rational conception of.
4. Alg.
To render rational; to free from radical signs or quantities.
© Webster 1913.
Ra"tion*al*ize, v. i.
To use, and rely on, reason in forming a theory, belief, etc., especially in matters of religion: to accord with the principles of rationalism.
Theodore . . . is just considered the chief rationalizing doctor of antiquity.
J. H. Newman.
© Webster 1913.