disciplinary
adjective /ˌdɪsəˈplɪnəri/,  /ˈdɪsəplɪnəri/
  /ˈdɪsəpləneri/
- connected with the punishment of people who break rules- a disciplinary hearing (= to decide if somebody has done something wrong)
- The company will be taking disciplinary action against him.
- She will have to explain her actions before the disciplinary committee.
 Oxford Collocations DictionaryDisciplinary is used with these nouns:- action
- charge
- code
- …
 
- (formal) connected with an area of knowledge, especially a subject that people study in a university- Students need to broaden and deepen their disciplinary knowledge.
 
Word Originlate 15th cent. (originally with reference to ecclesiastical order): from medieval Latin disciplinarius, from Latin disciplina, from discipulus ‘learner’, from discere ‘learn’.