seniority

The state of being older than another or others or higher in rank than another or others.

Precedence of position, especially precedence over others of the same rank by reason of a longer span of service.

The state of being senior; priority of birth: opposed to juniority: as, the elder brother is entitled to the place by seniority.

Priority in office or service: as, the seniority of a surgeon or a chaplain.

A body of seniors or elders; an assembly or court consisting of the senior fellows of a college.

The quality or state of being senior.

A measure of the amount of time a person has been a member of an organization, as compared to other members, and with an eye towards awarding privileges to those who have been members longer.

the property of being long-lived

higher rank than that of others especially by reason of longer service