Related Clues:

• It's a starter
• Wager
• Put in the pot
• Start to date?
• Stud fee?
• Prepay, with 'up'
• A few chips, perhaps
• ___ meridiem
• Punt
• Opening stake
• Flat rate?
• Pot content
• Kick in for a hand
• Puccini-based musical
• Put one's two cents in?