discipline (http://definr.com/discipline)

     n 1: a branch of knowledge; "in what discipline is his
          doctorate?"; "teachers should be well trained in their
          subject"; "anthropology is the study of human beings"
          [syn: subject, subject area, subject field, field,
           field of study, study, bailiwick, {branch of
     2: a system of rules of conduct or method of practice; "he
        quickly learned the discipline of prison routine" or "for
        such a plan to work requires discipline"
     3: the trait of being well behaved; "he insisted on discipline
        among the troops" [ant: indiscipline]
     4: training to improve strength or self-control
     5: the act of punishing; "the offenders deserved the harsh
        discipline they received" [syn: correction]
     v 1: train by instruction and practice; esp. to teach
          self-control; "Parents must discipline their children";
          "Is this dog trained?" [syn: train, check, condition]
     2: punish in order to gain control or enforce obedience; "The
        teacher disciplined the pupils rather frequently" [syn: correct,
         sort out]