lesson

[1]	exercise , drill , reading , lecture , recitation , assignment , homework , task
[2]	class , example , deterrent example , session , instruction , object lesson , teaching , tutoring , schooling , practice
[3]	example , moral , exemplar , model , guide , maxim , paragon , message , deterrent , discouragement , warning , admonition , moral , precept
[4]	punishment , chastisement , chastening , castigation , scolding , chiding , rebuke , reprimand , reproof