"To influence the debate" means to have an impact on the discussion or argument by providing ideas, arguments, or information that can potentially change people's opinions or decisions. Full definition
So, why has this all - important finding not influenced the debate over the Common Core agenda? (washingtonpost.com)
On new regulations, we work hand in hand with the regulatory and public affairs teams to ensure we are ahead of the curve and can influence the debate on new regulations. (lawyer-monthly.com)
So do left and right really influence the debate, or are they now powerless to? (climate-resistance.org)