Across  
1. incredible  
3. opposite of positive  
6. wonderful  
7. very huge  
9. funny  
12. apparent or clear  
14. many of differing type  
15. emotional  
17. Presidential branch of gov't  
18. huge  
19. producing or able to produce a desired effect  
  
Down  
2. yummy  
4. aggressive  
5. what the monkey named George is  
8. Congress' branch  
10. hard to understand  
11. beautiful  
13. sure of something  
16. artistic