• (a.) 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. Found on http://thinkexist.com/dictionary/meaning/ratiocinative/
Ra`ti·oc'i·na·tive (- ŏs'ĭ*na*tĭv) 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 proce... Found on http://www.encyclo.co.uk/webster/R/14