connivance (n.)

• acceptance
• accord
• acquiescence
• affirmation
• affirmative
• agreement
• approbation
• approval
• artifice
• assent
• aye
• blessing
• cabal
• chicane
• chicanery
• collusion
• compliance
• complicity
• confederacy
• consent
• conspiracy
• contrivance
• counterplot
• covin
• eagerness
• endorsement
• engineering
• finesse
• frame-up
• game
• indulgence
• intrigue
• machination
• manipulation
• okay
• permission
• permissiveness
• pettifoggery
• plot
• promptitude
• promptness
• ratification
• readiness
• rigging
• sanction
• scheme
• skulduggery
• sleight
• stratagem
• submission
• sufferance
• tolerance
• toleration
• trick
• trickery
• willingness
• winking