Connive

Webster's Dictionary of the English Language

·vi To open and close the eyes rapidly; to Wink.

II. Connive ·vt To shut the eyes to; to Overlook; to pretend not to see.

III. Connive ·vi To close the eyes upon a fault; to wink (at); to fail or forbear by intention to discover an act; to permit a proceeding, as if not aware of it;

— usually followed by at.