WordNet (r) 3.0 (2006):

avidly
    adv 1: in an avid manner; "whatever the flavor or color of your
           local paper, do remember that these are read avidly for
           local information"

Moby Thesaurus II by Grady Ward, 1.0:

30 Moby Thesaurus words for "avidly":
   animatedly, anxiously, avariciously, breathlessly, covetously,
   devouringly, eagerly, enthusiastically, graspingly, greedily,
   hoggishly, impatiently, keenly, piggishly, promptly, quickly,
   rapaciously, raveningly, ravenously, readily, swinishly,
   vivaciously, voraciously, with alacrity, with gusto,
   with open arms, with relish, with zest, wolfishly, zestfully