1) Watershed NounLandmark, Turning Point
An event marking a unique or important historical change of course or one on which important developments depend.
The agreement was a watershed in the history of both nations.
Conscience, Moral Sense, Scruples, Sense Of Right And Wrong - motivation deriving logically from ethical or moral principles that govern a person`s thoughts and actions; "What does your conscience say?".
What - interrogatively; "What you were saying?".
Something - An undetermined or unspecified thing; "Have somthing".
Nephew - a son of your brother or sister; "Your nephew is an untrustworthy person".