To propagandize: This is the most direct verb form, meaning to spread propaganda.
To indoctrinate: This suggests a more forceful and systematic attempt to influence someone's beliefs.
To brainwash: This is a stronger term, implying a complete and often involuntary change in someone's thinking.
To manipulate: This highlights the use of propaganda for personal gain or to control others.
To disseminate: This refers to the act of spreading information, which can include propaganda.
To promote: This suggests a more subtle form of propaganda, often used to influence opinions or behaviors.
The best verb to use will depend on the specific situation and the desired effect.