Sr.
elder
higher-ranking
last
major
old
older
precedential
ranking
superior
A per se
absolute
ace
ancient
antecedent
anterior
anticipatory
ascendant
authoritarian
authoritative
authorized
autocratic
better
boss
brass hat
cadet
champion
chief
ci-devant
clothed with authority
commander
commanding
competent
consequential
considerable
controlling
dean
dominant
doyen
doyenne
duly constituted
earlier
early
eldest
eminent
empowered
ex officio
father
first
first-born
firstling
fore
foregoing
former
freshman
fugleman
genius
golden-ager
senior sophister
undergrad
undergraduate
senate
senile
seniority
sir
American
Israeli
civilian
influential
junior
young
Monsignor
Sr
monsignor
sr