i·de·ol·o·gy
noun
1.
a system of ideas and ideals, especially one that forms the basis of economic or political theory and policy.


As far as conservatism exactly what I posted - as it was developed in the 60s around William F Buckley and his magazine. Things like limited government in economic matters, dominance of free market, hawkish foreign policy, religious and social conservatism. I suspect that you are more familiar with this than I am.