to agree together, esp. secretly, to do something wrong, evil, or illegal

They conspired to kill the king.

to act or work together toward the same result or goal.

to plot (something wrong, evil, or illegal).

verb

disagree

verb

be in cahoots , cabal , cogitate , collogue , collude , confederate , connive , contrive , cook up * , cooperate , devise , get in bed with , hatch , intrigue , machinate , maneuver , operate , promote , put out a contract , wangle , wire , work something outnotes:one connives at something but conspires with somebody , colleague , combine , complot , conduce , consort , contribute , join , tend , unite , work togethernotes:one connives at something but conspires with somebody , scheme , agree , concur , conjure , conspire , league , plot