Related Clues:

• Understanding
• Consumption
• Slow on the ___ (thickheaded)
• Focus
• Attention
• Deep thought
• Comprehension
• Long-running TV show featuring match-makers
• Close attention
• Quick on the __: smart
• Put off until later
• Slow on the ___
• Mental grasp
• Quick on the ___ (smart)
• What some people are slow on