[f. JOKE v. + -ING2.] That jokes. Hence Jokingly adv.

1

1700.  Toland, Life Harrington, in Oceana, 24. Harrington jokingly said, That they had an excellent faculty of magnifying a Louse, and diminishing a Commonwealth.

2

1714.  Gay, Sheph. Week, Tuesday. In joking talk.

3

1893.  Liddon, etc., Life Pusey, I. iv. 90. His friends … used to say jokingly, ‘You are looking towards Canterbury.’

4