1. By religion
   "religiously inspired art"
   - sacredly 
2. With extreme conscientiousness
   "he came religiously every morning at 8 o'clock"
   - scrupulously, conscientiously

See also: religious

• Zephaniah
• zephyr
• zephyrus
• zeppelin
• Zeppo
• zero
• zero hour
• zero in
• zero point
• zero tolerance
• zero-coupon bond
• zero-coupon security
• zero-rate
• zero-sum
• zero-sum game
• zero-tolerance policy
• zeroth
• zeroth law of thermodynamics
• zest
• zester
• zestful
• zestfully
• zestfulness
• zestily
• Zestril