religiosity

noun

1. (countable, uncountable)The quality of being religious or pious, especially when zealous.

   ““At least part of the stir over Carter’s shirtsleeve religiosity is that he seems to practice what he preaches,” Newsweek magazine mused a few days after the “born again” question made headlines across the country. “Kennedy went to Mass and Richard Nixon spoke affectionately of his Quaker mother, but neither appeared to be truly religious.””