I use krici for belief system (creed).
krici [ kri ] believe x1 believes [without evidence/proof] belief/creed x2 (du'u) is true/ assumed about subject x3
Judging by this definition, krici seems closer to "faith" than "ideology".
-- "The war was supposed to be quick. We were supposed to be greeted as liberators. It was to pay for itself with oil revenues. And we were supposed to find chemical and biological weapons." Col. Sam Gardiner USAF-retired, National Defense University