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.
(..) All right, I'll get it. Ah, thank you. Yes, that split-second timing when instinct tells you... that- A new wave of assassinations. An opposition spokesman has categorically denied- I tell you, infamous powers are at work. The instant you assign me to a case, the (..)1975 The Return of the Pink Panther