1) Admonish 2) Apply the paddle 3) Bawl out 4) Berate 5) Call down 6) Call on the carpet 7) Castigate 8) Censure severely 9) Chasten 10) Chew out 11) Chew up 12) Chide 13) Correct 14) Criticize 15) Discipline 16) Dress down 17) French word used in English 18) Have words 19) Lambast 20) Lambaste 21) Lecture Found on https://www.crosswordclues.com/clue/chastise
• (v. t.) To inflict pain upon, by means of stripes, or in any other manner, for the purpose of punishment or reformation; to punish, as with stripes. • (v. t.) To reduce to order or obedience; to correct or purify; to free from faults or excesses. Found on http://thinkexist.com/dictionary/meaning/chastise/
Operational code name for the 'Dam Busters' raid by 617 squadron RAF in May 1943, on the Mohne, Eder and Sorpe dams in the Ruhr area of Germany Found on https://www.encyclo.co.uk/local/20490