WordRel.com

• everything stated or assumed in a given discussion

  synonym	universe of discourse
  hypernym	cognitive contentcontentmental object

• (statistics) the entire aggregation of items from which samples can be drawn

  synonym	population
  domain topic	statistics
  hypernym	accumulationaggregationassemblagecollection
  hyponym	subpopulation

• everything that exists anywhere

  synonym	cosmoscreationexistencemacrocosmworld
  derivation	universal
  hypernym	natural object
  hyponym	closed universenatural ordernature
  mero member	extragalactic nebulagalaxy
  mero part	celestial bodyestraterrestrial bodyextraterrestrial objectheavenly body