Patronage (noun)

1. The act of being a patron, protector, or supporter.
2. The support provided by a patron, especially financial support.
3. The patronage of a person, group, or organization, especially in the arts or politics.

Origin:

From the latin word patronus (protector) + -age, meaning the act of being a protector or supporter.

Examples:

1. The artist was able to continue her work thanks to the patronage of a wealthy collector.
2. The government's patronage of the arts has been a key factor in the development of the cultural sector.
3. The politician was known for using his patronage to gain influence and power.
4. He became a patron of the arts and began to support young artists.
5. The company's patronage is important for the development of the non-profit organization.