complicity
nounfeminine/kũ.pli.si.ˈda.dɨ/medium
cum·pli·ci·da·de
Definition
The state of being complicit; a relationship of connivance, secret agreement, or mutual understanding, often affectionate.
There was a clear complicity between the two thieves.
Their friendship was based on years of shared secrets and complicity.
Etymology
Do francês 'complicité', do latim 'complex, complicis' (cúmplice).