The Collaborative International Dictionary of English v.0.48:
Congenially \Con*gen"ial*ly\, adv. In a congenial manner; as, congenially married or employed. [1913 Webster]WordNet (r) 3.0 (2006):
congenially adv 1: in a congenial manner; "`Let's all have a drink together,' he said congenially"