Related Clues:

• Smart of Jimmy to follow Charlie
• 'O, world, how ___ the poor are to be proud!': 'Twelfth Night'
• Smart card's first used by machine operator
• Burn spruce
• Snazzy-looking
• Clean and tidy; sting
• Perceptive, as a pupil
• Closet's opening needs handle, quick
• Like a quick learner
• Like the name 'Bookman' for a librarian
• Kind of public transport coming back into fashion?
• Clever; clean, tidy
• Keenly intelligent
• Fast-learning
• Like many bombs and cards