Methodic

n. The science and principles of method.

a. [Fr. méthodique, It. & Sp. metodico, Lat. methodicus, Gr. μεθοδικός.] Arranged in convenient order; disposed in a just and natural manner, or in a manner to illustrate a subject, or to facilitate practical observations; as, the methodical arrangement of the parts of a discourse or of arguments; a methodical treatise; methodical accounts.