Language

2. To strengthen an idea or make existing knowledge more secure
5. The mental processes involved in thinking, understanding and learning
8. A word or phrase that provides additional information about a noun and follows it
9. A new plan or action designed to address a particular problem
10. To refine a skill through practice and experience
11. To improve the quality, value or effectiveness of something
14. Describes a language acquired naturally from early childhood

1. Describes action or support that develops among ordinary people in a community
3. At risk of disappearing completely, often used to describe languages
4. To expand someone's knowledge, experience or understanding
6. To increase the intensity or level of something
7. A sum of money provided to support a project or cause
12. Relating to the customs, beliefs, knowledge and practices of a particular group
13. The greater number or proportion of a group