It is a fundamental principle of democracy.

Trust is a fundamental element of any relationship.

This question is fundamental to our project.

Fundamentalism is a radical form of religious belief.

He is a religious fundamentalist.

He is a fervent religious fundamentalist.

Fundamentally, it's a matter of trust.

Fundamental values are essential for success.

Religious fundamentalisms are often associated with extremist movements.

Fundamental interactions govern the fundamental forces of the universe.