1: Noise of family gathering at the start (5)

4: Freshen the atmosphere (3)

6: Englishman opening a can to dine at home (3,2)

7: Aliens set off (3)

8: Tom Cruise playing an outfitter (9)

10: Frost to cover the cake (3)

12: Help one returning Olympic gymnast (5)

14: Terrier shows how to stray (3)

15: Severely criticize cook (5)

1: A hint for the snooker champ? (3)

2: Singers in a special Tosca production (5)

3: Smuggler participating in arms race? (9)

4: Consumed and digested tea (3)

5: Part of stair is erect (5)

8: Part of speech idealists rebuke (5)

9: In Howard's End - one has a passage here from Forster (5)

11: Emergency room stocks one sensitive organ (3)

13: Perform part of play (3)