A Quick and Simple Dictionary

discipline

1. Noun.  A controlled behaviour; self-control.
2. Noun.  An enforced compliance or control.
3. Noun.  A systematic method of obtaining obedience.
4. Noun.  A state of order based on submission to authority.
5. Noun.  A punishment to train or maintain control.
6. Noun.  A set of rules regulating behaviour.
7. Noun.  A flagellation as a means of obtaining sexual gratification.
8. Noun.  A specific branch of knowledge or learning.
9. Noun.  A category in which a certain art, sport or other activity belongs, or a sub-category of said activity.
10. Verb.  (transitive) To train someone by instruction and practice.
11. Verb.  (transitive) To teach someone to obey authority.
12. Verb.  (transitive) To punish someone in order to (re)gain control.
13. Verb.  (transitive) To impose order on someone.