The primary purpose of these stage directions (with the gallantry of a young politician) is to indicate a character's tone of voice.
Given that he is referring to the ladies, he has to change the tone of his voice a bit to appeal to them more. He cannot speak in a manly voice which he would normally use while speaking to other men, but rather appear more suave and gentleman-like.
Foreshadowing?? If maybe later on in the story they found out they were related or something
The construal to Pacify is for someone quell the vexation or to have agitation.
Example Sentence:
She has to pacify an irate mob.
He demand justice cus no justice