2 adjectives to describe signiors

" Lipsius saith of himself, that he was humani generis quidem paedagogus voce et stylo, a grand signior, a master, a tutor of us all, and for thirteen years he brags how he sowed wisdom in the Low Countries, as Ammonius the philosopher sometimes did in Alexandria, cum humanitate literas et sapientiam cum prudentia: antistes sapientiae, he shall be Sapientum Octavus.

Mr. Barker bent down his head on one side, to signify that he was absorbed in attention to her news; and then drawing himself up once more, lifted his greasy hat high in air, bowed to the very floor, and broke forth: "Most potent, grave, and reverend signiors: A man of war, and eke a man of peace That is, if you come peaceful; and if not, Have we not Hiren here?

2 adjectives to describe  signiors