(formal) friend

a doctor (person who has attained a doctorate)

(history) a court academician / a doctor (person who has attained a doctorate) / an expert

a male given name

the past / ancient times

(not of a person) old, aged, antiquated

old

(chiefly women's speech) first person singular pronoun: I, me

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness