patronize
verb [ T ]
(UK also patronise) uk/ˈpætrənaɪz/ us/ˈpeɪtrənaɪz/ formal
to be a regular customer of a shop, restaurant, hotel, etc.:
Special offer coupons can be effective in motivating shoppers to patronize certain establishments.
to speak to or behave towards someone as if they are stupid or not important:
Additional research has found that 70% of people feel patronised by advertising.
to support an activity or a public organization, especially by giving money:
For sale are objets d'art inspired and patronized by China's emperors for 4,000 years.