From Longman Dictionary of Contemporary Englishact on/upon something phrasal verbto do something because of another person’s advice or order, or because you have received information or had an idea She is acting on the advice of her lawyers. Police say they acted on information received. → act→ See Verb table
Examples from the Corpus
act on/upon • This is due to the forces acting on astronauts during lift off.• Or perhaps you acted on information your reader passed along during your conversation.• But it was one thing to tell myself that and another to act on it with any conviction.• So that swine Lleland had not been acting on presidential authority when he told me to ban them from the White House.• Watertightness is achieved by thrust from hydraulic rams acting on the other end of the tank.• This teaches the hearer a valuable lesson: dealing in symbols is safe when compared with acting on the real thing.• My act on the stage depended on the grade of gum I chewed.• Again, I do not believe that enough of the electorate can be persuaded to act on these grounds alone.acting on ... advice• She was acting on the advice of her therapist in speaking thus.• The only reason the bank advanced was that it was acting on the advice of the Federal Reserve. 