conspire
con.spire \k*n-'spi-(*)r\ vb [ME conspiren, fr. MF conspirer, fr. L conspirare to breathe]together, agree, conspire, fr. com- + spirare to breathe - more at SPIRIT : PLOT, CONTRIVE 1: to join in a secret agreement to do an unlawful or wrongful act or to u se such means to accomplish a lawful end 2: to act in harmony