definition of
sponsor

[1] #1 sponsor v. [patronize, patronise] assume sponsorship of. wn

[2] #2 sponsor v. assume responsibility for or leadership of; "The senator announced that he would sponsor the health care plan". wn

[3] #3 sponsor n. [patron, supporter] someone who supports or champions something. wn

[4] #4 sponsor n. [presenter] an advocate who presents a person (as for an award or a degree or an introduction etc.). wn

[5] #5 sponsor v. [patronize, patronise, shop, shop at, buy at, frequent] do one's shopping at; do business with; be a customer or client of. wn