Jokingly

from WordNet (r) 3.0 (2006)

jokingly
    adv 1: in jest; "I asked him jokingly whether he thought he
           could drive the Calcutta-Peshawar express" [syn:
           {jokingly}, {jestingly}]
    2: not seriously; "I meant it facetiously" [syn: {facetiously},
       {jokingly}, {tongue-in-cheek}]

from The Collaborative International Dictionary of English v.0.48

Jokingly \Jok"ing*ly\, adv.
   In a joking way; sportively. Jole