Synonyms for chasten
verb
To punish
humble, humiliate, subdue, chastise, castigate, afflict, discipline, restrain, reprove, berate, take to task, upbraid, chide, rap on the knuckles, reproach, reprehend, admonish, rebuke, fulminate against, reprimand, tongue-lash, objurgate, scourge, penalize, scold, call down*, roast*; see also censure, punish, scold.
Antonyms encourage*, uplift, benefit.
To purify
refine, correct, clarify; see improve 1, purify. See syn. study at punish.
See chasten in Webster's New World Roget's A-Z Thesaurus II
verb
To castigate for the purpose of improving:
correct. See praise
Learn more about chasten