conspire

 
Pronunciation: /kənˈspʌɪə/

verb

[no object]
  • make secret plans jointly to commit an unlawful or harmful act: they conspired against him [with infinitive]: they deny conspiring to defraud the Inland Revenue
  • [with infinitive] (of events or circumstances) seem to be working together to bring about a particular negative result: everything conspires to exacerbate the situation

Origin:

late Middle English: from Old French conspirer, from Latin conspirare 'agree, plot', from con- 'together with' + spirare 'breathe'