Connive

8 clues
Plot
Scheme
Conspire
Be crafty
Machinate
Be in cahoots
Be intriguing?
Cooperate secretly
Similar answers:
Aaronburrconspiracy
Abrabacon
Abscond
Absconded
Absconder
Absconding
Absconds
Absentmindedconfessor
Acceptedconduct
Accostcontrols
Acon
Aconcagua
Aconcretewall
Aconfederacyofdunes
Aconite
Aconites
Aconscienceis
Actinginconcert
Actofcontrition
Adaptivecontrol