Related Clues:

• Not yet decided: Abbr.
• Part of a GP's schedule
• Sched. notation
• Sched. slot that's open
• Engagement calendar entry: Abbr.
• Sched. spaceholder
• "We'll let you know," on a TV schedule
• Schedule maker's abbr.
• Datebook entry, for short
• PDA notation
• Date with a doc.
• Letters of uncertainty
• ''Still open,'' on a sched.
• ''Unknown,'' on a sched.
• Up in the air, on schedules