The Oxford Thesaurus An A-Z Dictionary of Synonyms - chasten v.

1) discipline, correct, chastise, punish, castigate: He used every means to chasten the unruly and disobedient. 2) moderate, temper, subdue, curb, restrain, repress, tame, suppress: I am not as sanguine as I was - time and experience have chastened me.