QUICK CLUES:

Across

1. Asylum (6)

4. Recommend (6)

9. Letter writer (13)

10. Obliquely (7)

11. Upper air (5)

12. Ethical (5)

14. Thick sweet liquid (5)

18. Guide (5)

19. Fascinate (7)

21. Necessary (13)

22. Cricket team (6)

23. Guard (6)

Down

1. Ethnic (6)

2. Prescience (13)

3. Inexperienced (5)

5. Thickly (7)

6. Unfailing (13)

7. Wring out (6)

8. Rapidity (5)

13. Public performer (7)

15. Elf (6)

16. Monastic church (5)

17. Sagacious (6)

20. Squander (5)