1. To act as patron toward; to support; to countenance; to favor; to aid. The idea has been patronised by two states only. (A. Hamilton)
2. To trade with customarily; to frequent as a customer.
3. 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.
Origin: Patronised; Patronizing.