Definition of "Contrivance" :

noun: the act of devising something

noun: a device or control that is very useful for a particular job

noun: any improvised arrangement for temporary use

noun: the faculty of contriving; inventive skill

"His skillful contrivance of answers to every problem."

noun: an artificial or unnatural or obviously contrived arrangement of details or parts etc.

"The plot contained too many improbable contrivances to be believable."

noun: an elaborate or deceitful scheme contrived to deceive or evade

"His testimony was just a contrivance to throw us off the track."