1. Organized-efforts by individuals, groups, and governments to help protect consumers from policies and practices that infringe consumer rights to fair business practices. 
2. Doctrine that ever-increasing consumption of goods and services forms the basis of a soundeconomy. 
3. Continual expansion of one's wants and needs for goods and services. 
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USAGE EXAMPLE

Those who live simply, keeping few possessions, are often appalled by what they view to be rampantconsumerism in others.