Related Clues:

• Catholic communion
• Part of the relativity equation
• Considerable number
• Fathers lead it
• Type of appeal
• The pope may lead it
• Sunday ritual, for many
• Service arrangement
• Ceremony for many
• Christian ritual
• The majority of people are grand and stupid
• It's of service to be of such weight
• Eucharist liturgy
• Component of Einstein's famous equation
• Musical celebration of sorts