1: Give Adele a seat in said fortress (7)
 2: Woman on Swiss shore (5)
 3: At sea I reused what's left (7)
 4: Foresees a three iron, just as Cassandra did. (7, 6)
 5: Reunite sundered entourage.(7)
 6: Poet or old king on crest (9)
 7: Grass surrounds cask, newly calibrated (7)
 9: Double profit repeatedly (5,3,5)
 13: Poked with a knife, one cat finally howled outside (9)
 15: Ray's about to remain undisturbed by  reflections  (7)
 16: Tranquillises extremely senile escorts (7)
 18: Increase a nutmeg's nuttiness? (7)
 19: Surrounded, small insect crawled into cover (7)
 22: Daytime TV show one of the Marx brothers brought back (5)