Just as important is government's ability to draw upon the skills and knowledge of those outside government.

The project will build upon existing knowledge in the following ways.

These systems are designed around the idea that each uses the other two to build upon itself and further human knowledge as a whole.

The wish is based upon the child's knowledge that he has a rival.

He was building upon his long and intimate knowledge of the native character.

Then, drawing upon his vast knowledge, he identified the sound.

He seemed to pride himself upon his knowledge of American expressions.

But as always, I must depend upon his superior knowledge.

The Shadow would have to draw upon his vast knowledge now.

I didn't light any candles, relying upon my knowledge of the house to move around.