act on/upon

phrasal verb

acted on/upon; acting on/upon; acts on/upon

: to use (something, such as a feeling or suggestion) as a reason or basis for doing something

They never acted on the information they had.

It's okay to feel angry or jealous, but you mustn't act on those feelings.

Examples of act on/upon in a Sentence

Recent Examples on the Web

Eventually, Bob Vylan dropped plans to accompany New York punks Gogol Bordello as a supporting act on their European tour. —Scott Roxborough, HollywoodReporter, 7 Aug. 2025

As for the buzzy trend of agentic AI, in which models don’t just answer questions, but also act on your behalf to do things like book airplane tickets or buy a new bathing suit, Dubois said that GPT-5 excels. —Eliza Strickland, IEEE Spectrum, 7 Aug. 2025

In 1968, an admiring Eric Clapton handpicked Reid to be the opening act on the U.S. farewell tour by Clapton’s pioneering power-trio Cream. —George Varga, San Diego Union-Tribune, 5 Aug. 2025

The situation is a perfect example of micro moments, those critical instances when consumers reflexively turn to their devices to act on a need. —Ascend Agency, Mercury News, 4 Aug. 2025