the quality of being crafty
"The detective noticed a hint of guile in his smile, realizing he was trying to hide his true intentions."
Astuteness often marked by a certain sense of cunning or artful deception.
"The archaic manuscript described a precious stone as being made of guile, mistakenly treating the obsolete term for gold as a gemstone type."
Obsolete form of gold.
To deceive, beguile, bewile.
"The old merchant's guile led many travelers to believe his wares were magical when they were simply overpriced trinkets."
A surname, from French.
"The new headmaster, Mr. Guile, was known for his quiet demeanor and efficient management of the school grounds."