Primacy
WordNet
noun
(1) The state of being first in importance
WiktionaryText
Adjective
primacy
- The state or condition of being prime or first, as in time, place, rank, etc., hence, excellency; supremacy.
- The office, rank, or character of a primate; the chief ecclesiastical station or dignity in a national church; the office or dignity of an archbishop; as, the primacy of England.