Con‐spire″ (kŏn‐spīr″), v. i. [imp. & p. p.Conspired (–spīrd″); p. pr. & vb. n.Conspiring.] [F. conspirer, L. conspirare to blow together, harmonize, agree, plot; con- + spirare to breathe, blow. See Spirit.] 1. To make an agreement, esp. a secret agreement, to do some act, as to commit treason or a crime, or to do some unlawful deed; to plot together.
They conspired against to slay him.
Gen. xxxvii. 18.
You have conspired against our royal person,
Joined with an enemy proclaimed.
Shak.
2. To concur to one end; to agree.
The press, the pulpit, and the stage
Conspire to censure and expose our age.
Roscommon.
Syn. — To unite; concur; complot; confederate; league.