Related Clues:

• Culmination
• Mortarboard
• See 34-Down
• Gown's go-with
• Stadium souvenir, perhaps
• See 4-Across
• Lens protector
• Frenchman's cap
• Upstage
• Top of the military?
• Upper limit
• The end of night?
• Bottle top
• Soft hat
• Highest level