Related Clues:

• Impetrates (with "for")
• Obligations
• Must-haves
• Issues an invitation
• Must have
• Can't forgo
• Essentials
• Sends out invitations
• Responds ` la "Jeopardy!"
• Implores
• Gotta have
• Can't live without
• Motivators, in psychology
• Wants for a price
• Answers, on 'Jeopardy!'