Teenagers, it turns out, are highly rational creatures in some ways.

The courses stimulated his highly rational mind, the Mayor said.

The earlier ads were seen as a highly rational appeal.

Here, a highly rational approach is the norm.

Gnath: A highly rational people who are the driving force behind modernization.

This results in a highly rational system that specifies every action and leaves nothing to chance".

Similarly, rationalisation could be seen in the economy, with the development of highly rational and calculating capitalism.

"He is a highly rational man - dangerous but well focused."

A highly rational culture threw containers with artifacts of its civilization onto Earth.

On the other, there are the highly rational matters of controlling money and property.