conspire (v.)

• accord
• affiliate
• agree
• ally
• amalgamate
• angle
• associate
• band
• brew
• bunch
• cabal
• centralize
• club
• coact
• coalesce
• cogitate
• coincide
• collaborate
• collogue
• collude
• combine
• complot
• concert
• concoct
• concord
• concur
• confederate
• conjoin
• connive
• consociate
• consolidate
• contrive
• cooperate
• correspond
• countermine
• counterplot
• couple
• devise
• engineer
• federalize
• federate
• finagle
• frame
• fuse
• gang
• harmonize
• hatch
• intrigue
• join
• league
• machinate
• maneuver
• marry
• merge
• operate
• organize
• pair
• partner
• plot
• reciprocate
• rig
• scheme
• synchronize
• unionize
• unite
• wangle
• wed