Source : Webster's Revised Unabridged Dictionary (1913)

Craftily \Craft"i*ly\ (-?-l?), adv. [See {Crafty}.]
   With craft; artfully; cunningly.

Source : WordNet®

craftily
     adv : in an artful manner; "he craftily arranged to be there when
           the decision was announced"; "had ever circumstances
           conspired so cunningly?" [syn: {cunningly}, {foxily}, {knavishly},
            {slyly}, {trickily}, {artfully}]