ELI5: Explain Like I'm 5

Cornucopian

Cornucopian is the belief that the world has an almost unlimited supply of natural resources, and that human beings are capable of using these resources in ways that are beneficial for everyone. In other words, cornucopian people think that the world is full of good stuff that can help people, and that if we work together, we can use all of these things to make life better for everyone.