'act on' definitions:

Definition of 'act on'

From: WordNet
verb
Carry further or advance; "Can you act on this matter soon?" [syn: pursue, follow up on, act on]
verb
Regulate one's behavior in accordance with certain information, ideas, or advice; "The Founding Fathers acted on certain moral principles"

Synonyms of 'act on'

From: Moby Thesaurus