connive

verb4

1. •
   To secretly cooperate with other people in order to commit a crime or other wrongdoing; to collude, to conspire.

   • I might say, / That who despairs, acts; that who acts, connives / With God's relations set in time and space; [...] — 1844
2. •
   (rare) Of parts of a plant: to be converging or in close contact; to be connivent.
3. •
   Often followed by at: to pretend to be ignorant of something in order to escape blame; to ignore or overlook a fault deliberately.

   • Though all this Good be found in thee, I an offended that thou so connivest at the Heresie of the false Teachers, as to permit some of them in your Communion, [...] — 1695
4. •
   (no longer used) To open and close the eyes rapidly; to wink.

   • The artist is to teach them how to nod judiciously, and to connive with either eye, and, in a word, the whole practice of political grimace. — 1712