CUNNINGLY
craftily, cunningly, foxily, knavishly, slyly, trickily, artfully
(adverb) in an artful manner; “he craftily arranged to be there when the decision was announced”; “had ever circumstances conspired so cunningly?”
cunningly, cutely
(adverb) in an attractive manner; “how cunningly the olive-green dress with its underskirt of rose-brocade fitted her perfect figure”
Source: WordNet® 3.1
Etymology
Adverb
cunningly (comparative more cunningly, superlative most cunningly)
With cunning, cleverly.
Source: Wiktionary
Cun"ning*ly (kn"nng-l), adv.
Definition: In a cunning manner; with cunning.
Source: Webster’s Unabridged Dictionary 1913 Edition