Answer
8. performance: the act of performing
9. harden: to make hard or harder
10. frightful: causing fear or terror
11. hopeful: feeling or inspiring optimism about a future event
12. widen: to make or become wider
13. inward: towards the inside or interior
14. beautiful: possessing qualities that give great pleasure or satisfaction to see, hear, think about, etc.
15. lighted: illuminated or brightened