From Ancient Greek μεθοδικός + -al.

methodical

1. In an organized manner; proceeding with regard to method; systematic.
2. Arranged with regard to method; disposed in a suitable manner, or in a manner to illustrate a subject, or to facilitate practical observation.

   the methodical arrangement of arguments; a methodical treatise

   • 1711 December 31 (Gregorian calendar), [Joseph Addison; Richard Steele et al.], “THURSDAY, December 20, 1711”, in The Spectator, number 253; republished in Alexander Chalmers, editor, The Spectator; a New Edition, […], volume III, New York, N.Y.: D[aniel] Appleton & Company, 1853, →OCLC ↗:

     […] methodical regularity which would have been requisite in a prose author.

     The spelling has been modernized.

• systematic

• methodic
• methodically
• methodological

• French: méthodique
• German: methodisch
• Italian: metodico
• Portuguese: metódico
• Russian: методи́ческий
• Spanish: metódico