prayerfulness

from The Collaborative International Dictionary of English v.0.48

Prayerful \Prayer"ful\, a.
   Given to prayer; praying much or often; devotional. "The
   prayerful man." --J. S. Blackie. -- {Prayer"ful*ly}, adv. --
   {Prayer"ful*ness}, n.
   [1913 Webster]