Nouns

(n)backing, backup, championship, patronagethe act of providing approval and support“his vigorous backing of the conservatives got him in trouble with progressives”
(n)clientele, patronage, businesscustomers collectively“they have an upper class clientele”
(n)condescension, disdain, patronagea communication that indicates lack of respect by patronizing the recipient
(n)patronage(politics) granting favors or giving contracts or making appointments to office in return for political support
(n)trade, patronagethe business given to a commercial establishment by its customers“even before noon there was a considerable patronage”

Verbs

(v)patronagesupport by being a patron of
(v)patronize, patronise, patronage, support, keep goingbe a regular customer or client of“We patronize this store”, “Our sponsor kept our art studio going for as long as he could”