Noun, : He joined the conspiracy to overthrow the government.    From Dictionary.com. 

How ingrained in the plenipotentiaries was their proneness for what, for want of a better word, may be termed conspirative and circuitous action may be inferred from the record of their official and unofficial conversations and acts.    From Wordnik.com.  [The Inside Story of the Peace Conference] Reference

The repressive measures of the government drive the disciples of the new philosophy to conspirative methods.    From Wordnik.com.  [Anarchism and Other Essays] Reference

What can be conspirative for an harley davidson 2007 that is sulkily wittingly, cumulatively tightly, and enquiringly careful?.    From Wordnik.com.  [Rational Review] Reference

Investigators believe that the suspected group of agents is controlled from within the Munich consulate by a consul who has been observed conducting conspirative meetings with the alleged agents.    From Wordnik.com.  [Free Internet Press] Reference

Russians, or, indeed, upon any of the peoples represented in Paris, of the Secret Council's conspirative deliberations and circuitous procedure, which were in such strong contrast to the "open covenants openly arrived at" to which in their public speeches they paid such high tribute.    From Wordnik.com.  [The Inside Story of the Peace Conference] Reference

I love afterellen. com, I remember reading about a show coming up, that's supposed to be called earthlings, a while back; -) but I feel, like it has lost it's ecstatic "conspirative community" feel.    From Wordnik.com.  [AfterEllen.com - Because visibility matters] Reference