1) Craftily 2) Cunningly 3) Disingenuously 4) Foxily 5) Knavishly 6) Slyly 7) Trickily 1) Disingenuously 2) In a disingenuous manner 3) In an artful manner 4) With ingenuity 
• (adv.) In an artful manner; with art or cunning; skillfully; dexterously; craftily.
Art'ful·ly adverb In an artful manner; with art or cunning; skillfully; dexterously; craftily. 
[adv] - in an artful manner
artfully In an artful manner; clever and skillful, especially in getting what someone wants.
adverb in an artful manner; `her foot pointed artfully toward tapering toes`