Possible Clues:

• Unconscious assimilation
• Effortless adoption thus returned second sibling
• Way to pick things up without trying, so to speak
• Slow absorption I found in very big Scottish bog
• A process of gradual absorption
• Assimilation of ideas
• -- Jones, 2001 film directed by the Farrelly brothers
• All the universe except the speed of light is an assimilation process
• Old southern lawgiver one for eastern assimilation
• One way to learn