Choosing adverbs are provided in this article. The words listed here are commonly found along with the verb choosing in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb CHOOSING.
actively, actually, carefully
consciously, deliberately, finally
freely, generally, increasingly
properly, randomly, really
simply, voluntarily, wisely
Hope this word list had the choosing adverb you were looking for. In addition to adverbs used with choosing, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.