Related Clues:

• Tuned in to
• Upon
• Well-apprised
• Informed about
• Word with latch or catch
• Up on the latest
• Latch ___
• Hep
• Knowing
• Suspicious of
• 'Hold ___ your hat!'
• Catch --- (start to get)
• Sign ___ (accept, as a program)
• Chance --- (meet accidentally)
• Fully aware of