#1 sponsor v. [patronize, patronise] assume sponsorship of. wn
#2 sponsor v. assume responsibility for or leadership of; "The senator announced that he would sponsor the health care plan". wn
#3 sponsor n. [patron, supporter] someone who supports or champions something. wn
#4 sponsor n. [presenter] an advocate who presents a person (as for an award or a degree or an introduction etc.). wn
#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
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