to chat and laugh with great spirit; to talk cheerfully and wittily; to joke around with charm and humor

to go on talking and laughing as if nothing has happened; to remain calm and cheerful even in the face of danger or a crisis

To talk and laugh naturally and with ease, especially when under pressure or in a difficult situation.

To rise to a position of high status or nobility with great ease, literally meaning to be granted a peerage while chatting and laughing.