Artful deception (5)
I believe the answer is:
guile
'artful deception' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for guile that I've seen before include "Crafty behaviour" , "Artfulness, cunning" , "Deceitful cunning" , "Sly intelligence" , "Craftiness" .)