Lŏg'ic-al, a.

a. [Fr. logique, It. logico, logicale, Pr. logical, Sp. logico, Lat. logicus, Gr. λογικός.]

1. Pertaining to logic; used in logic; as, logical subtleties.
2. According to the rules of logic; as, a logical argument or inference; the reasoning is strictly logical.
3. Skilled in logic: versed in the art of thinking and reasoning; discriminating; as, he is a logical thinker.