the act of contributing money towards, or to pay for, a project or other activity
AT&T chose not to continue its sponsorship of the game.
the act of introducing and supporting a proposed new law in a legislative assembly
She formally withdrew her co-sponsorship of the bill after raising her objections with House leaders.
the act of recommending, organizing, and promoting talks or negotiations between people or groups
Qatar's biggest diplomatic success was its sponsorship of negotiations in Doha that ended the violence.