Behaved adverbs are provided in this article. The words listed here are commonly found along with the verb behaved in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb BEHAVED.
abominably, accordingly, actually, admirably, badly, beautifully, bravely
certainly, correctly, decently, differently, disgracefully, exactly, exceedingly
excellently, extremely, fairly, foolishly, gallantly, generally, generously
handsomely, honourably, improperly, inappropriately, kindly, nobly, normally
outrageously, perfectly, poorly, properly, really, remarkably, rudely
shamefully, similarly, splendidly, strangely
Hope this word list had the behaved adverb you were looking for. In addition to adverbs used with behaved, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.