cor·nu·co·pi·an 
(kôr′nə-kōpē-ən, -nyə-)
(kôr′nə-kōpē-ən, -nyə-)adj.
1. Of or related to a cornucopia.
2. Relating to the belief that the world's natural and human resources are essentially unlimited and that conservation of resources or limitations on consumption or on population growth are unnecessary.
n.
One who holds cornucopian beliefs.
cor′nu·copi·an·ism n.