At the age of 80, she's 'riding a/the wave of' renewed interest in her work. [=she's experiencing a time when many people are interested in her work again]
The traffic cop 'waved' cars 'through'. [=waved in a way that told drivers to continue driving through a particular area]
The new school has triggered a 'wave' of optimism [=has made many people feel optimistic] about the public school system.
(..) I am the storm, brother. The first storm and the last. And you're in my way. ( screaming ) Lord, take your servant Balon back beneath the waves. Feed the creatures of your kingdom on his flesh. Pull his bones down to your depths to rest beside his ancestors and his children. (..)2016 TvShow: Game of Thrones Title: Home Season: 6 Episode 2