1) Eagerly 2) How some people read 3) In a gung-ho way 4) In an avid manner 5) In an enthusiastic way 6) Keenly 7) The greedy way 8) With enthusiasm 9) With fervor 10) With great ardor 11) With great enthusiasm 12) With great passion 13) With gusto 14) With relish 15) With spirit 16) With zeal 1) Fervently 2) Insatiably 3) Keenly 4) Watchfully 
[adv] - in an avid manner
avidly 1. In an avid manner; a desire akin to greed, so strong as to be insatiable; such as, he was driven by an avid need for fame and recognition. 2. Greedily, with intense eagerness.
adverb in an avid manner; `whatever the flavor or color of your local paper, do remember that these are read avidly for local information`