Related Clues:

• Take up, as liquid
• Sponges do it
• Come to know
• Memorize, as lines
• Absorb new material
• Pick up, as a skill
• Make good use of class time
• Memorize (lines)
• Work well, as kitchen towels
• Suck up
• Get trained
• What paper towels do
• Hear about
• Sop up
• Get the hang of