1: Child is to depart, finally (3)

3: 500 = 100 + 0 - that's entertainment! (5)

5: Too old for love - a woman, for example, rejected (7)

7: More than one grown-up kids' tender hearts god broke? (9)

9: Language - one with a Latin derivation (7)

11: Material featured in 'Sudden Impact' (5)

12: Greek characters suggest dawn (3)

1: Half of them should have had an idea (7)

2: Draw the knot (3)

3: Prig had ma conceal midriff (9)

4: Navigate by terse directions (5)

6: Agrees that a course should be forwarded to the primary school (7)

8: Neil Armstrong, first to return from another world? (5)

10: In no state to contain a pregnant virgin? (3)