patronize
/ˈpeɪtrəˌnaɪz/ /Brit ˈpætrəˌnaɪz/
verb
also Brit patronise -izes; -ized; -izing
[+ obj] :to give money or support to (someone or something)
disapproving :to talk to (someone) in a way that shows that you believe you are more intelligent or better than other people [+ obj]
[+ obj] somewhat formal :to be a frequent or regular customer or user of (a place)