Dictionary.net

a manifestation of insincerity; "he put on quite an act for her benefit"

discharge one's duties; "She acts as the chair"; "In what capacity are you acting?"

be engaged in an activity, often for no particular purpose other than pleasure

perform on a stage or theater; "She acts in this play"; "He acted in `Julius Caesar'"; "I played in `A Christmas Carol'"

perform an action, or work out or perform (an action); "think before you act"; "We must move quickly"; "The governor should act on the new energy bill"; "The nanny acted quickly by grabbing the toddler and covering him with a wet towel"

have an effect or outcome; often the one desired or expected; "The voting process doesn't work as well as people thought"; "How does your idea work in practice?"; "This method doesn't work"; "The breaks of my new car act quickly".

a manifestation of insincerity; "he put on quite an act for her benefit"

discharge one's duties; "She acts as the chair"; "In what capacity are you acting?"

be engaged in an activity, often for no particular purpose other than pleasure

perform on a stage or theater; "She acts in this play"; "He acted in `Julius Caesar'"; "I played in `A Christmas Carol'"

That which is done or doing; the exercise of power, or the effect, of which power exerted is the cause; a performance; a deed.

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.

A formal solemn writing, expressing that something has been done.

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.

A thesis maintained in public, in some English universities, by a candidate for a degree, or to show the proficiency of a student.

A state of reality or real existence as opposed to a possibility or possible existence.

Process of doing; action. In act, in the very doing; on the point of (doing).

To move to action; to actuate; to animate.

To perform; to execute; to do.

To perform, as an actor; to represent dramatically on the stage.

To assume the office or character of; to play; to personate; as, to act the hero.

To feign or counterfeit; to simulate.

To exert power; to produce an effect; as, the stomach acts upon food.

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.

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.

To perform on the stage; to represent a character.

A law.

That which is done or doing; the exercise of power, or the effect, of which power exerted is the cause; a performance; a deed.

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.

A formal solemn writing, expressing that something has been done.

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.

A thesis maintained in public, in some English universities, by a candidate for a degree, or to show the proficiency of a student.

A state of reality or real existence as opposed to a possibility or possible existence.

Process of doing; action. In act, in the very doing; on the point of (doing).

To move to action; to actuate; to animate.

To perform; to execute; to do.

To perform, as an actor; to represent dramatically on the stage.

To assume the office or character of; to play; to personate; as, to act the hero.

To feign or counterfeit; to simulate.

To exert power; to produce an effect; as, the stomach acts upon food.

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.

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.

To perform on the stage; to represent a character.

A law.

A law.

To perform an act; behave; do; perform on the stage.

The exertion of power; something done; a deed.

A section of a play or drama.

A deed; that which is done; the process of doing; a decree, edict, or law; the judgment of a court; a formal writing; one of the principal divisions of a drama or play.

To perform or play, as on the stage; personate; feign.

To exert force or energy; to behave; to do; to perform on the stage.

To exert force or influence: to produce an effect: to behave one's self.

To perform: to imitate or play the part of.

Something done or doing: an exploit: a law: a part of a play.

A deed; a law; a division of a drama.

To perform; to behave one's self; to play a part.

Action; performance; a deed; a state of reality, as opposed to possibility; a division of a play during which the action proceeds without interruption; a decree, edict, or law. A deed in writing, proving the truth of some transaction. In English universities, a thesis maintained in public by a candidate for a degree. At Oxford, the time when the masters and doctors complete their degrees; and which at Cambridge is called commencement.

To perform; to play the part of.

To be in action or motion; to exert power; to produce effects; to operate; to perform; to behave. To act up to, to be equal to in action.

A deed; a doing; power exerted; an exploit; a decree or law.

To do; to exert power; to perform.

Actus, from actum, past participle of agere, 'to do,' 'a thing done.' The effective exercise of a power or faculty. The action of an agent. Acte is used by the French, to signify the public discussion, which occurs in supporting a thesis.

Something done, a deed, an exploit, whether good or ill; a part of a play, during which the action proceeds without interruption; a degree of parliament.