[con.spire] vb con.spired ; con.spir.ing [ME, fr. MF conspirer, fr. L conspirare to be in harmony, conspire, fr. com- + spirare to breathe] vt (14c): plot, contrive ~ vi 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 b: scheme
2: to act in harmony toward a common end "circumstances conspired to defeat his efforts"