Connivance is willing co-operation in something wrong. With the connivance of officials, active connivance, deny any connivance.
The word covers a particular kind of guilt: not doing the thing, but letting it happen when you could have stopped it. The Latin inside it means winking, which is exactly the picture — a deliberate failure to look.
1nounconnivanceWilling co-operation in something wrong.
“The smuggling went on for years with the connivance of corrupt customs officers.”
connivance is a complicity.
Latin conniventia comes from connivere, to shut the eyes or wink at something.
Latin
connīventia
English, today
connivance
Built from
From early 18, replaced earlier form connivence (late 16), from Latin connīventia, from connīvēns (“winking”).
Etymology from Wiktionary, CC BY-SA