noun, plural con·spir·a·cies.
Origin of conspiracy
Examples from the Web for conspiratory
From those days, however, the Conspiratory Movement in Russia began to assume larger proportions.
The Mensheviki contended that the time for secret, conspiratory action was past; that Russia had outgrown that earlier method.Bolshevism|John Spargo
It was not for conspiratory action, but for the building up of a great movement.Violence and the Labor Movement|Robert Hunter
British Dictionary definitions for conspiratory
noun plural -cies
Word Origin and History for conspiratory
mid-14c., from Anglo-French conspiracie, Old French conspiracie "conspiracy, plot," from Latin conspirationem (nominative conspiratio) "agreement, union, unanimity," noun of action from conspirare (see conspire); earlier in same sense was conspiration (early 14c.), from French conspiration (13c.), from Latin conspirationem. An Old English word for it was facengecwis. As a term in law, from 1863. Conspiracy theory is from 1909.