Nouns

1. physical and mental health and happiness, especially of a person
3. something done for pleasure or to relax, or such activities generally
11. a method or way of doing something
12. something that you accept as true, although you have no proof
14. an important event in the development or history of something or in someone's life
15. the action of becoming intentionally involved in a difficult situation, in order to prevent it from getting worse

2. the way you feel about something or someone, or a particular feeling or opinion
4. the feeling that good things are going to happen in the future
5. something that is not included, or the action of not including something
6. an act of killing a lot of people
7. a situation in which people do not understand what is happening, what they should do or who someone or something is
8. the way of life or set of beliefs accepted by most people
9. willingness to give your time and energy to a job, activity, or something that you believe in
10. a very successful business person who is rich and powerful
13. the condition of being extremely poor