precedence
//ˈprɛsɪdəns//
Noun
precedenceSingular
precedencesPlural
1
The condition of being considered more important than someone or something else; priority in importance, order, or rank.
Safety takes precedence over speed in this project.
2
The order to be observed by people of different ranks or status on formal occasions.
At the state dinner, guests were seated according to precedence.