Related Clues:

• Parking, almost begrudge church attendance
• Inviter's request
• Party giver's abbr
• Post to a host
• Invitee's obligation, briefly
• Charisma; mien
• Letters sometimes seen before a phone no
• Initial request for an answer?
• Host-to-be's request
• Be a polite invitee
• ''Save the date'' follow-up
• Aid for an early head count
• Supervisors drop serious summons from The Party requesting answer
• Use an SASE, perhaps
• Impressive carriage in attendance?