ideological

US /ˌaɪ.di.əˈlɑː.dʒɪ.kəl/
UK /ˌaɪ.di.əˈlɑː.dʒɪ.kəl/
"ideological" picture
1.

idéologique

based on or relating to a system of ideas and ideals, especially concerning economic or political theory and policy.

:
The party's policies are driven by strong ideological beliefs.
Les politiques du parti sont guidées par de fortes convictions idéologiques.
There was an ideological clash between the two leaders.
Il y a eu un affrontement idéologique entre les deux dirigeants.