He agrees with Schilling's view that the concept underwent changes and its original meaning should be kept different from its later history.

That concept is now undergoing re-evaluation.

Across Eastern Europe, the concept of beauty is undergoing a metamorphosis.

Typical of large projects, the concept has undergone multiple delays and iterations since its conception.

But in an aesthetic estimation of magnitude the numerical concept must drop out of count or undergo a change.

In the 14th and 15th centuries, the concept of the witch in Christendom underwent a relatively radical change.

There his concepts underwent considerable change.

The concept of Chandi as the supreme Goddess also underwent a change.

You see, the over-all concept of evil in the Catholic Church has undergone a radical change in this century.

The concept underwent an overhaul in 1999 but returned, as fundamentals always do.