"inspiring idea" is correct and usable in written English.
You can use the phrase when you want to express that an idea is especially exciting or motivating. For example, "I heard my friend's inspiring idea for a new business, and now I'm motivated to start my own."
A longtime supporter of causes and projects designed to empower every corner of humanity, Timms conceptualized a simple, yet inspiring idea -- an international day of service -- that is not simply a movement, but a phenomenon.
Yet it seemed to us like an inspiring idea.
This is an inspiring idea, even an ennobling one, though perhaps "political" is unnecessarily limiting.
The Dementia Friends scheme, set up in 2013 by the Alzheimer's Society, is an inspiring idea that has caught on.
"I worry that we could be seeing the unravelling of an inspiring idea that has been hugely successful".
The writers' call for a "vision of coastal restoration," rather than just a cleanup of the gulf oil spill, is an inspiring idea.
As well as inspiring ideas, the internet can allow you to shop with greater discrimination for more conventional presents.
We're looking for strong commitments from business leaders; inspiring ideas from academics, nonprofits and readers; and personal pledges from consumers.
It is the rare leader — America not very long ago had one — who can make small sanities resonate as inspiring ideas.
The 16 girls involved in the project are very determined about the rebranding of the school, so it was no surprise that we were full of inspiring ideas for the new image.
From simple concepts such as 'open-classrooms'; assessment for learning questioning that can pose, pause, pounce and bounce the answers out of your students; learning walks and literacy CPD sessions with inspiring ideas from @LearningSpy, @SophieHalaka and @PhilBeadle to name a few.
