ratiocinative
Ra`ti*oc"i*na*tive, a. Etym: [L. ratiocinativus.] Defn: Characterized by, or addicted to, ratiocination; consisting in the comparison of proportions or facts, and the deduction of inferences from the comparison; argumentative; as, a ratiocinative process. The ratiocinative meditativeness of his character. Coleridge.