act on is a verb meaning "carry further or advance". It carries 2 recorded senses.
carry further or advance
“Can you act on this matter soon?”
regulate one's behavior in accordance with certain information, ideas, or advice
“The Founding Fathers acted on certain moral principles”
Definitions, synonyms and semantic relations for act on come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.