to stimulate (It's usually positive and never sexual.)
to suggest, to float an idea (Not too common, but you can find it in the world of meetings)
If you think the verb "regen" has something to do with "rain", then this post is for you. Today, we'll learn all about it and all its useful prefix versions.
regen, regungslos, sich aufregen, sich abregen, erregen, anregen