- Of or pertaining to logic; used in logic; as, logical subtilties.
- According to the rules of logic; as, a logical argument or inference; the reasoning is logical; a logical argument; a logical impossibility.
- Skilled in logic; versed in the art of thinking and reasoning; as, he is a logical thinker.
Etymology: Cf. F. logique, L. logicus, Gr. logiko`s