Imposed adverbs are provided in this article. The words listed here are commonly found along with the verb imposed in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb IMPOSED.
actually, arbitrarily, artificially, authoritatively, certainly, commonly, completely, constantly, constitutionally, continually, cruelly
culturally, deliberately, directly, divinely, easily, equally, expressly, externally, federally, finally, forcibly
formally, formerly, frequently, generally, gradually, grossly, immediately, initially, judicially, justly, largely
lately, lawfully, legally, merely, naturally, necessarily, newly, normally, originally, previously, properly
rarely, really, recently, rigidly, rigorously, shamefully, simply, socially, solely, strictly, subsequently
successfully, suddenly, traditionally, typically, ultimately, unilaterally, unjustly, usually, violently, voluntarily
Hope this word list had the imposed adverb you were looking for. In addition to adverbs used with imposed, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.