SYSTEMAT'IC'ICAL, adjective 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. 1. Proceeding according to system or regular method; as a systematic writer.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI