conspire

To secretly plot or make plans together, often with the intention to bring bad or illegal results; to collude, to connive, to plot.

They conspired against [Joseph] to slay him.

And there came a man, rushing from the farthest end of the city. He said, “O Moses! The chiefs are actually conspiring against you to put you to death, so leave ˹the city˺. I really advise you ˹to do so˺.”

To agree, to concur to one end.

The press, the pulpit, and the stage / Conspire to censure and expose our age.

I feel my vanquish'd heart conspire To crown a flame by Heav'n approv'd.

To work together to bring about.

Rain and sweat conspired to smudge her mascara.

Angry clouds conspire your overthrow.