primacy
//ˈpraɪ.mə.si//
Noun
primacySingular
primaciesPlural
1
The state of being first in importance, order, or rank; supreme position or authority.
The primacy of education in national development cannot be overstated.
2
The office, rank, or character of a primate or chief ecclesiastic.
He was elevated to the primacy of the Church of England.