This is the 367th most frequent German word.
politischen
The German word "politischen" means "political" in English.
In this instance, 'politische' is an adjective in the accusative case, modifying the noun 'Reform'.
Sie arbeitet für eine politische Reform.
She is working for a political reform.
Here, 'politischen' is an adjective in the plural nominative case, describing the noun 'Ereignisse' (events).
Die politischen Ereignisse beeinflussten seine Meinung.
The political events influenced his opinion.
Here, 'politischen' is an adjective in the dative case, describing the type of discussion.