to plot together, esp secretly; conspire - (followed by at)
to give assent or encouragement (to the commission of a wrong)  
WordReference Random House Learner's Dictionary of American English © 2025
con•nive /kəˈnaɪv/USA pronunciation  
v., -nived, -niv•ing. 
con•niv•ing, adj.
WordReference Random House Unabridged Dictionary of American English © 2025- 
- to cooperate or work together secretly, esp. for something wrong or illegal: [~ (+ with + object) + to + verb (+ object)]He connived with his friends to get the job.
 - [~ + object] to make (one's way) by scheming or plotting:She connived her way into power.
 
 - [~ + at + object] to avoid noticing something one is expected to oppose or condemn.
 
con•niv•ing, adj.
con•nive 
(kə nīv′),USA pronunciation v.i., -nived, -niv•ing. 
 con•niv′er, n. 
con•niv′ing•ly, adv.
 
- to cooperate secretly;
conspire (often fol. by with):They connived to take over the business. - to avoid noticing something that one is expected to oppose or condemn;
give aid to wrongdoing by forbearing to act or speak (usually fol. by at):The policeman connived at traffic violations. - to be indulgent toward something others oppose or criticize (usually fol. by at):to connive at childlike exaggerations.
 
- Latin co(n)nīvēre to close the eyes in sleep, turn a blind eye, equivalent. to con- con- + -nīvēre, akin to nictāre to blink (compare nictitate)
 - French conniver)
 - (1595–1605
 
con•niv′ing•ly, adv.
- 1.See corresponding entry in Unabridged plan, plot, collude.
 
Collins Concise English Dictionary © HarperCollins Publishers::
'conniving' also found in these entries (note: many are not synonyms or translations):