Ra`ti·oc`i·na'tion (-nā'shŭn) noun [ Latin ratiocinatio : confer French ratiocination .] The process of reasoning, or deducing conclusions from premises; deductive reasoning. Found on http://www.encyclo.co.uk/webster/R/14
noun the proposition arrived at by logical reasoning (such as the proposition that must follow from the major and minor premises of a syllogism) Found on https://www.encyclo.co.uk/local/20974
(Lat. ratiocinatio, reasoning) Discursive reasoning, the third act of the intellect in the Aristotelian theory of knowledge, a process of intellectual demonstration involving the use of three terms. -- V.J.B. Found on https://www.encyclo.co.uk/local/21203