Answer:
prec·e·dent
noun
/ˈpresəd(ə)nt/
an earlier event or action that is regarded as an example or guide to be considered in subsequent similar circumstances.
"there are substantial precedents for using interactive media in training" credit from the Oxford Dictionary!!
Step-by-step explanation:
George Washington established the Cabinet and the executive office, which was not prescribed by the constitution. Credit from George Washington, 1732–1799 | America's Presidents ...