Hierarchy
(n.) a group organized by rank
Synonyms
ranking, chain of command, scale
Antonyms
declassification, equality, mayhem
Sentences
In the leadership team hierarchy, the student body president is the topmost influence.
In Medieval times, there used to be a caste-based hierarchy that segregated the different levels of people.
Ratatouille(2007) - Voice over. 'The kitchen staffs.' - Jesse Hur