Dictionary Definition of Real

real1
/reel/
• adjective 1 actually existing or occurring in fact; not imagined or supposed. 2 significant; serious. 3 not artificial; genuine. 4 rightly so called; proper: a real man. 5 adjusted for changes in the value of money; assessed by purchasing power: real incomes had fallen by 30 per cent. 6 Mathematics (of a number or quantity) having no imaginary part.
http://www.askoxford.com/concise_oed/orexxal_1?view=uk

reality
• noun (pl. realities) 1 the state of things as they actually exist, as opposed to an idealistic or notional idea of them. 2 a thing that is actually experienced or seen. 3 the quality of being lifelike. 4 the state or quality of having existence or substance.
http://www.askoxford.com/concise_oed/orexxality?view=uk

simulacrum
/simyoolaykrm/
• noun (pl. simulacra/ simyoolaykr/ or simulacrums) 1 an image or representation of someone or something. 2 an unsatisfactory imitation or substitute.
— ORIGIN Latin, from simulare ‘copy, represent’.
http://www.askoxford.com/concise_oed/simulacrum?view=uk

realism
• noun 1 the practice of accepting a situation as it is and dealing with it accordingly. 2 (in art or literature) the representation of things in a way that is accurate and true to life. 3 Philosophy the doctrine that universals or abstract concepts have an objective or absolute existence. Often contrasted with NOMINALISM.
— DERIVATIVES realist noun.
http://www.askoxford.com/concise_oed/orexxalism?view=uk

nominalism
• noun Philosophy the doctrine that universals or general ideas are mere names without any corresponding reality. Often contrasted with REALISM.
— DERIVATIVES nominalist noun.
http://www.askoxford.com/concise_oed/nominalism?view=uk