Definitions of patronage:

• noun:   (politics) granting favors or giving contracts or making appointments to office in return for political support
• noun:   the business given to a commercial establishment by its customers

  Example: "Even before noon there was a considerable patronage"

• noun:   customers collectively
• noun:   a communication that indicates lack of respect by patronizing the recipient
• noun:   the act of providing approval and support
• verb:   support by being a patron of
• verb:   be a regular customer or client of