academia
noun /ˌækəˈdiːmiə/
  /ˌækəˈdiːmiə/
(also formal or humorous academe 
 [uncountable] /ˈækədiːm/
  /ˈækədiːm/
)- the world of learning, teaching, research, etc. at universities, and the people involved in it
- leading figures from academia and industry
 
Word Origin1950s: from Latin academia, from Greek akadēmeia, from Akadēmos, the hero after whom Plato's garden was named.