Adverbs

(r)cunningly, cutelyin an attractive manner“how cunningly the olive-green dress with its underskirt of rose-brocade fitted her perfect figure”
(r)craftily, cunningly, foxily, knavishly, slyly, trickily, artfullyin an subtle, cunning manner“he craftily arranged to be there when the decision was announced”, “had ever circumstances conspired so cunningly?”