You can generate ideas and suggestions in many ways: by collecting ideas and suggestions, by organizing an innovation challenge or online brainstorming. Or crowdsource ideas from customers and partners.
Let the crowd develop or ask specialist to improve your ideas. Once an idea is ready, evaluate it effectively utilizing automation. And even if you would archive the idea, it would be easy to find later with the extensive search capabilities.
An idea becomes an innovation only when it is implemented. In agile project management information flows seamlessly between team members and leaders have full visibility on the overall status of the project portfolio.