Meaning: Take action as a result of something
Example: Appoint a solicitor to act on your behalf.
Meaning: Perform something with actions and gestures
Example: The children started to act out the whole incident.
Meaning: If a part of your body or a piece of equipment acts up, it doesn’t work properly
Example: The kid likes to act up for the benefit of anyone who cares to notice.
Meaning: To take action because of something like information received
Example: The Programme is meant to study, and act upon, the cultural environment as a whole.
Meaning: to perform the same function as a particular person or thing
Example: The center will act as a clearinghouse for research projects for former nuclear scientists.
Meaning: If you act for someone, you represent them
Example: Managers think and act for the short term.