Part of Speech: Noun
Definition: TheĀ conceptĀ thatĀ anĀ ever-expanding consumption of goodsĀ is advantageous to the economy.
Source:Ā http://dictionary.reference.com/browse/Consumerism?s=t
Encountered:Ā In the article “The Happiest and Saddest Places in New York City, According to Twitter” by Brian Merchant. “Times Square is the gleeful buzzing monument American consumerism.”
Understanding: I understand that he was talking about Times Square being a place of trade.