Archness

Marianne was surprised and confused, yet she could not help smiling at the quiet archness of his manner

Meanwhile the farce was going on very successfully, and Mrs. Leary, in a hussar jacket and braided pantaloons, was enchanting the audience with her archness, her lovely figure, and her delightful ballads.

There was something artless in Toby's delivery; he was working in the family tradition of teasing, but he was too relenting and couldn't yet match Gerald's heavy archness.