Act

1. n. Process of doing; action. In act, in the very doing; on the point of (doing).
2. n. That which is done or doing; the exercise of power, or the effect, of which power exerted is the cause; a performance; a deed.
3. n. The result of public deliberation; the decision or determination of a legislative body, council, court of justice, etc.; a decree, edit, law, judgment, resolve, award; as, an act of Parliament, or of Congress.
4. n. A formal solemn writing, expressing that something has been done.
5. n. A performance of part of a play; one of the principal divisions of a play or dramatic work in which a certain definite part of the action is completed.
6. n. A thesis maintained in public, in some English universities, by a candidate for a degree, or to show the proficiency of a student.
7. n. A state of reality or real existence as opposed to a possibility or possible existence.
8. v. i. To perform actions; to fulfill functions; to put forth energy; to move, as opposed to remaining at rest; to carry into effect a determination of the will.
9. v. i. To behave or conduct, as in morals, private duties, or public offices; to bear or deport one’s self; as, we know not why he has acted so.
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The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.