The definition of connivance is knowledge of and agreement with an illegal act without participation.
(noun)When two people come up with a plot to fix a bid for government services and the person who is in charge of awarding the project knows this and looks the other way, this is an example of connivance
See connivance in Webster's New World College Dictionary
noun
Origin: Fr connivence < L coniventia, < prp. of conivere: see connive
See connivance in American Heritage Dictionary 4
also con·niv·ence
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