Relating to the idea that things should be separate from religion and religious beliefs.
Secularistic things are often thought of as modern and open-minded.
Examples:
The school has a secularistic approach to education.
She has a secularistic view of the world.
The government's policies are becoming more secularistic.
The secularistic art show was very popular.
In a secularistic society, people can believe what they want.
The secularistic movement is growing in popularity.