Logical
From BiblePortal Wikipedia
Logical [1]
(1): ( a.) Of or pertaining to logic; used in logic; as, logical subtilties.
(2): ( a.) According to the rules of logic; as, a logical argument or inference; the reasoning is logical.
(3): ( a.) Skilled in logic; versed in the art of thinking and reasoning; as, he is a logical thinker.