lad (9) -  IMPENDING {IMP}{ENDING} 17 - Bun subjected to examinations in courts (9) - TRIBUNAL {TRI{BUN}ALS} 19 - Growth destroyed quiet ploy (5) - POLYP {P}{PLOY*} 21 - Perhaps depict harbour light (7) - PORTRAY {PORT}{RAY} 23 - Ejection of J ack from medieval contest (7) - OUSTING jOUSTING 25