Wiktionary (0.00 / 0 votes) Rate this definition: proponent (Noun) One who supports something; an advocate. Origin: * From proponens, present participle of prÅpÅnere
religious belief - a strong belief in a supernatural power or powers that control human destiny; he lost his faith but not his morality. faith, religion. persecution - the act of persecuting (especially on the basis of race or religion)
Most popular religious belief in US?   Protestant Christianity is the most popular belief system in the US as of this decade, with roughly half of all Americans adhering to it, but there are also a sizable am â¦ ount of Catholics as well, being a quarter of the population. Answered. In Marketing Advertising and Sales.