In the course of a long lifetime, his bold concept was proved an amazing success.

Conferences of technologists are seldom electrified by bold concepts and plans for new ventures deeper into the solar system.

He also introduced the relatively bold concept of including at least one tipped-in, original photographs in each issue.

This bold concept had potential pitfalls.

It was a bold concept and contrary to his nature, but there was something in the air here which seemed to make all things possible.

After establishing a bold and original concept in each of Scott's three examples, he settles for something well made but flat.

How close are we to realizing the bold concepts of "2001: A Space Odyssey"?

They'll probably be even more avid supporters of this bold new concept than the males.

This was an exceedingly bold concept at the time, dismissed by foreign experts as "impossible".

Schuman and Hill had the bold new concept of creating a training ground for dancers that would be equally split between ballet and modern dance.