intransitive verb
Definition: To do something or behave in a certain way, often in a manner that is not genuine or natural. It can also mean to perform in a play or show.
Example: She acts like a born leader.
noun
Definition: A thing that is done, especially something that is done intentionally or as part of a performance. It can also refer to a formal document created by a government or organization, or a section of a play or opera.
Example: The act of Congress was signed into law last week.
transitive verb
Definition: To do something in a particular way, especially to perform a role in a play or to behave in a certain manner.
Example: She plans to act Lady Macbeth in the upcoming play.