QUICK CLUES:

Across

1. Private (12)

7. Let (5)

8. Watery (5)

9. Small child (3)

10. Impostor (9)

11. Modern (6)

12. Current (6)

15. Postponed (9)

17. Donkey (3)

18. Leeway (5)

19. Implied (5)

21. Reproof (12)

Down

1. Revokes (12)

2. Sick (3)

3. Envelop (6)

4. Reduced to a synopsis (9)

5. Ward off (5)

6. Broadcast (12)

7. Caper (5)

10. Director of orchestra (9)

13. Precise (5)

14. Seize (6)

16. Sap (5)

20. Tin (3)