Main Entry: con·spire

Pronunciation: \kən-ˈspī(-ə)r\

Function: verb

Inflected Form(s): con·spired; con·spir·ing

Etymology: Middle English, from Anglo-French conspirer, from Latin conspirare to be in harmony, conspire, from com- + spirare to breathe

Date: 14th century

transitive verb : plot, contriveintransitive verb 1 a : to join in a secret agreement to do an unlawful or wrongful act or an act which becomes unlawful as a result of the secret agreement <accused of conspiring to overthrow the government> b : scheme
2 : to act in harmony toward a common end <circumstances conspired to defeat his efforts>