Ratiocinative
Ratiocinative (rash`i*os"i*na*tiv) , adjective
[Latin ratiocinativus.]
Characterized by, or addicted to, ratiocination; consisting in the comparison of propositions or facts, and the deduction of inferences from the comparison; argumentative; as, a ratiocinative process.
The ratiocinative meditativeness of his character.