fusionism

noun

1. (uncountable)The political practice, principle or theory of forming groups.
2. (US, uncountable)A political philosophy advocating fusion of traditionalist social conservatism with right-libertarianism.

   “But it means being open to the possibility that the old fusionism, battered and bruised as it is, may still hold as much promise for the advancement of libertarian policy goals as "liberaltarianism" ever will.”