1 Way in, entrance (6)
5 Out of danger (4)
8 Story of play (4)
9 Turmoil (8)
10 Wit (8)
11 Rugby forwards (4)
12 11th letter of the Greek alphabet (6)
14 Portuguese islands in the Atlantic (6)
16 Canine tooth (4)
18 Threshold (8)
20 Underground cemetery (8)
21 Kind of lily (4)
22 Wooden shoe (4)
23 That over there (6)

2 Large crater (7)
3 Addition(al) (5)
4 Larry Grayson's catchphrase (4,4,4)
5 Hair-cleaning fluid (7)
6 French currency unit (5)
7 Had a fit of hysterics (5,1,6)
13 Theory of the origin of the universe (3,4)
15 Do (7)
17 Be of use (5)
19 Engender (5)