conspire conspire /kənˈspaɪɝ/

verb

1. () Engage in plotting or enter into a conspiracy, swear together  ( cabal , complot [Archaic] , conjure , conspire , machinate )
   engage in plotting or enter into a conspiracy, swear together
    They conspired to overthrow the government
   They conspired to overthrow the government
   
2. () Act in unison or agreement and in secret towards a deceitful or illegal purpose  ( collude , conspire )
   act in unison or agreement and in secret towards a deceitful or illegal purpose
    The two companies conspired to cause the value of the stock to fall
   The two companies conspired to cause the value of the stock to fall