Possible Clues:

• ... to consume by way of mouth -- not seriously?
• Put away
• 'Take it in as a joke, by the sound of it (6)'
• One's home, taking in little good to eat
• Absorb colours slightly as temperature plummets
• Take in how many a true word is spoken (sic)
• Consume food
• Take in seating plan, forgetting first of all
• Swallow - signet (anag)
• Absorb in conversation for a joke