Assign adverbs are provided in this article. The words listed here are commonly found along with the verb assign in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb ASSIGN.
actually, arbitrarily, automatically
confidently, correctly, definitely
dynamically, easily, explicitly
generally, manually, probably
randomly, safely, simply
typically, usually
Hope this word list had the assign adverb you were looking for. In addition to adverbs used with assign, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.