When used today, it generally means "for the honor of"; that is, not seeking any material reward.

At the heart of all political business is the question of material reward and punishment.

The tumble of the stock market could force a realization that there is more to life than work and its material rewards.

Yes, you get some material rewards: a decent place to live, nice clothes, a tasty dinner.

As for your material reward, it will be more than generous.

It does so by removing quantitative material reward as benefit.

Calvin believed that material rewards showed your worth in the eyes of God.

It is based on material reward and task defining jobs receiving the highest pay.

Did you do it for material reward, or because it needed doing?

In the course of my work I have been given great material rewards.