WordNet sense 1 (British statesman who was prime minister from 1990 until 1997 (born in 1943)):

John Major, John R. Major, John Roy Major

WordNet sense 2 (older; higher in rank; longer in length of tenure or service):

senior

WordNet sense 3 (indicating the most important performer or role):

leading, star, stellar

WordNet sense 4 (more than half):

better