Functioned adverbs are provided in this article. The words listed here are commonly found along with the verb functioned in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb FUNCTIONED.
actually, differently, effectively
independently, largely, mainly
normally, perfectly, primarily
probably, properly, similarly
smoothly
Hope this word list had the functioned adverb you were looking for. In addition to adverbs used with functioned, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.