Discussing adverbs are provided in this article. The words listed here are commonly found along with the verb discussing in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb DISCUSSING.
actively, actually, anxiously, briefly, busily
calmly, constantly, currently, eagerly, earnestly
evidently, excitedly, explicitly, freely, fully
gravely, merely, openly, publicly, quietly
really, seriously, simply, specifically, thoroughly
Hope this word list had the discussing adverb you were looking for. In addition to adverbs used with discussing, other example verb adverb pairings can be found on this site.
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