Previous quick solution

Across: 7. Self-assurance 8. Tomahawk 9. Sank 10. Stream

12. Abacus 14. Air 15. Adjoin 17. Decide 19. Base

21. Outsmart 23. Quadrilateral

Down: 1. Deported 2. Aflame 3. Asia 4. Junkyard 5. Nausea

6. Scan 11. Mandolin 13. Under way 16. Overdo 18. Compel

20. Ague 22. Toad