Related Clues:

• "Please reply"
• Host's request
• Call letters?
• Party request
• Request on an invitation
• Inviting letters
• Invitation's request, for short
• Low-budget party letters
• Acknowledge an invitation
• Notation on an invitation
• Invitation closer
• Informal party request (Abbr.)
• Say whether you'll attend
• Plan to attend
• Tell the host yes or no