proponent UK /pɹəˈpəʊnənt/US /pɹəˈpoʊnənt/noun 3adjective 1forms 1 noun3 •One who supports something; an advocate.Proponents of the race — notably Mayor Michael R. Bloomberg and Mary Wittenberg, director of the marathon — said the event would provide a needed morale boost, as well as an economic one. — 2012 •One who makes a proposal or proposition. •One who propounds a will for probate. adjective1 •Making proposals; proposing. formsproponents
