prayerful (adj.)

• adoring
• believing
• devoted
• devotional
• devout
• dutiful
• faithful
• godly
• holy
• imploring
• mendicant
• petitionary
• pietistic
• pious
• precative
• precatory
• religious
• reverent
• reverential
• solemn
• suppliant
• supplicant
• supplicatory
• theistic
• worshipful