Language

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Across
  1. 2. To strengthen an idea or make existing knowledge more secure
  2. 5. The mental processes involved in thinking, understanding and learning
  3. 8. A word or phrase that provides additional information about a noun and follows it
  4. 9. A new plan or action designed to address a particular problem
  5. 10. To refine a skill through practice and experience
  6. 11. To improve the quality, value or effectiveness of something
  7. 14. Describes a language acquired naturally from early childhood
Down
  1. 1. Describes action or support that develops among ordinary people in a community
  2. 3. At risk of disappearing completely, often used to describe languages
  3. 4. To expand someone's knowledge, experience or understanding
  4. 6. To increase the intensity or level of something
  5. 7. A sum of money provided to support a project or cause
  6. 12. Relating to the customs, beliefs, knowledge and practices of a particular group
  7. 13. The greater number or proportion of a group