·adj Pertaining to the system of the world; cosmical.
II. Systematical ·adj Proceeding according to system, or regular method; as, a systematic writer; systematic benevolence.
III. Systematical ·adj Affecting successively the different parts of the system or set of nervous fibres; as, systematic degeneration.
IV. Systematical ·adj Of or pertaining to system; consisting in system; methodical; formed with regular connection and adaptation or subordination of parts to each other, and to the design of the whole; as, a systematic arrangement of plants or animals; a systematic course of study.