Conspiration \Con`spi*ra"tion\, n. [F. conspiration, L. conspiratio.] Agreement or concurrence for some end or purpose; conspiracy. [R.] As soon as it was day, certain Jews made a conspiration. --Udall. In our natural body every part has a nacassary sympathy with every other, and all together form, by their harmonious onspiration, a healthy whole. --Sir W. Hamilton.