Progressing adverbs are provided in this article. The words listed here are commonly found along with the verb progressing in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb PROGRESSING.
constantly, continually, favorably
favourably, finely, gradually
nicely, normally, quickly
rapidly, satisfactorily, slowly
smoothly, steadily
Hope this word list had the progressing adverb you were looking for. In addition to adverbs used with progressing, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.