LOG'ICAL, adjective 1. Pertaining to logic; used in logic; as logical subtitles. 2. According to the rules of logic; as a logical argument or inference. This reasoning is strictly logical 3. Skilled in logic; versed in the art of thinking and reasoning; discriminating; as a logical head.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI