Basically- philosophy' is defined as the academic discipline concerned ravish making explicit the nature and significance of ordinary and scientific beliefs and investigating the intelligibility of concepts by means of rational argument concerning their presuppositions, implication, and interrelationships; in particular the rational investigation of the nature and structure of reality(metaphysics), the resources and limits of knowledge (epistemology), the principles and import of moral judgment (ethics) and the relationship between langrage and reality(semantics).This encyclopedic work encompasses within its fold all-important terms, concepts and theories and philosophers, described in clear and lucid language with authenticity and arranged in alphabetic order. Hopefully, the compact and exact interpretation, presented herein, will benefit all the concerned. And a veritable mine of information this will prove an authoritative reference tool.