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 just remember... I don't know, I was in seventh grade... Nate was probably a junior in high school... and he had started that new wave band with Sam Hoviak and Tom Wheeler, do you remember? I do. He had the worst hair. I mean really big, bad 's hair (..)2005 TvShow: Six Feet Under Title: Everyone's Waiting Season: 5 Episode 12