1: Fathers start to applaud, in afterthought (3)
3: Scheme conclusion for jet set (5)
6: Part of stair is erect (5)
8: Formerly thoughtful and dear? (9)
13: Foolish, turning in that penicillin (5)
14: Good Republican source of life-giving system for short-handed office workers (5)
15: Nightwear and jersey top added in afterthought (3)