To trade with customarily; to frequent as a customer.

to act as patron of : provide aid or support for : to adopt an air of condescension toward : treat haughtily or coolly : to be a frequent or regular customer or client of

do one's shopping at; do business with; be a customer or client of

treat condescendingly

To assume the air of a patron, or of a superior and protector, toward; -- used in an unfavorable sense; as, to patronize one's equals.

assume sponsorship of

To act as patron toward; to support; to countenance; to favor; to aid.