Webster's Revised Unabridged Dictionary · 1913

Chasten

Chasten (chā"s'n) , transitive verb

[Old English chastien, Old French Chastier, French Ch{not transcribed}tier, from Latin castigare to punish, chastise; castus pure + agere to lead, drive. See Chaste, Act, and compare Castigate, Chastise.]

1.
To correct by punishment; to inflict pain upon the purpose of reclaiming; to discipline; as, to chasten a son with a rod.
For whom the Lord loveth he chasteneth. — Heb. xii. 6
2.
To purify from errors or faults; to refine.
They [classics] chasten and enlarge the mind, and excite to noble actions. — Layard