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.
(..) Well, feel better. Say, "Bye, Uncle Hank." Bye-bye. Bye-bye. Bye, Aunt Marie. Can you wave bye? All right, let's get started on those dishes. Come on. - You. - No, you. - You. Washing, okay? - I'll dry. You wash. (..)2013 TvShow: Breaking Bad Title: Blood Money Season: 5 Episode 9