Synonyms for Eden (same or very similar meaning)
WordNet sense 1 (any place of complete bliss and delight and peace):
heaven, nirvana, paradise, Shangri-la, Promised LandWordNet sense 2 (a beautiful garden where Adam and Eve were placed at the Creation; when they disobeyed and ate the forbidden fruit from the tree of knowledge of good and evil they were driven from their paradise (the fall of man)):
Garden of EdenFrom the ODE community, based on WordNetadd/edit