Wordnet 3.0
ADVERB (1)
1.
in a good-natured manner;
The Collaborative International Dictionary of English v.0.48:
Good-naturedly \Good`-na"tured*ly\, adv.
With mildness of temper.
[1913 Webster]
WordNet (r) 3.0 (2006):
good-naturedly
adv 1: in a good-natured manner