Which word is a synonym for "persiflage"?

Explanation

"Persiflage" refers to light, playful, and teasing conversation, which is best captured by the word "banter." The other options do not convey this meaning: "tyranny" relates to harsh oppression, "mockery" implies ridicule but not necessarily light-heartedness, "intolerance" means bigotry, and "metaphor" is a figure of speech.