The Collaborative International Dictionary of English v.0.48:

Chastise \Chas*tise"\ (ch[a^]s*t[imac]z"; ch[a^]s"t[imac]z), v.
   t. [imp. & p. p. Chastised (ch[a^]s*t[imac]zd"); p. pr. &
   vb. n. Chastising.] [OE. chastisen; chastien + ending -isen
   + modern -ise, -ize, L. -izare, Gr. -i`zein. See Chasten.]
   1. 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.
      [1913 Webster]

            How fine my master is! I am afraid
            He will chastise me.                  --Shak.
      [1913 Webster]

            I am glad to see the vanity or envy of the canting
            chemists thus discovered and chastised. --Boyle.
      [1913 Webster]

   2. To reduce to order or obedience; to correct or purify; to
      free from faults or excesses.
      [1913 Webster]

            The gay, social sense, by decency chastised.
                                                  --Thomson.

   3. To criticize (a person) strongly and directly in order to
      correct behavior.

   Syn: castigate, objurgate, chasten, correct, dress down.
        [PJC]

   Syn: See Chasten.
        [1913 Webster]