Possible Clues:

• Go with con, arriving at meeting
• Hear singer's on a date
• Agreeing to meet
• Attempting to cross street for meeting
• 18 across to cause pain while keeping a date
• Have a go to cause pain by appointment
• Attempt smart merger, meeting as partners
• Policeman supports judge in meeting
• Way to infiltrate difficult meeting in secret
• Meeting secretly, in a way