Related Clues:

• Contributing to, as a scheme
• Words with "zoom" or "barge"
• Privy to, as a plot
• Part of, as a conspiracy
• Close __
• Wise to, as a joke
• A party to, as a private joke
• Get ___ the ground floor (2 words)
• Part of, as a conspiracy (2 words)
• Privy to information, nobody of note initially
• Privy to, as a plan
• Aware of, as a plot
• Part of, as a plan (2 words)
• Part of, like the joke (2 words)
• Briefed about