a set or system of methods, principles, and rules for [regulating] a given discipline, as in the arts or sciences.

Philosophy. a. the underlying principles and rules of organization of a philosophical system or inquiry procedure.

b. the study of the principles underlying the organization of the various sciences and the conduct of scientific inquiry.

Education. a branch of [pedagogics] dealing with analysis and evaluation of subjects to be taught and of the methods of teaching them.

To [methodologize] is to perform any of the above definitions.