1a increase support above an entrance (9)
8a corrupt son involved in games curtailed fund (7)
11a mother takes time to cause harm (6)
14a confectionery items we found in collections (6)
19a old vessel for his nibs?(6)
21a piano off the ground? correct! (7)
22a prepare for take-off (4)
23a Dont races, perhaps, come from here?(9)
4d concurred its a selfish trait(6)
many thanks to anyone who can help.