name

• Initialism of Association of Consumers and Taxpayers, a political party of New Zealand.

noun

• (countable) An instance of a certain standardized college admissions test in the United States, originally called the American College Test.
• (uncountable) Acronym of acceptance and commitment therapy.

noun

• (countable) Something done, a deed.
  "an act of goodwill"
• (obsolete, uncountable) Actuality.
  "The seeds of plants are not at first in act, but in possibility, what they afterward grow to be."
• (theology) Something done once and for all, as distinguished from a work.
• (law, countable) A product of a legislative body, a statute.
  "But was it responsible governance to pass the Longitude Act without other efforts to protect British seamen? Or might it have been subterfuge—a disingenuous attempt to shift attention away from the realities of their life at sea."

verb

• (intransitive) To do something.
  "If you don’t act soon, you will be in trouble."
• (obsolete, transitive) To do (something); to perform.
  "that we act our temporal affairs with a deſire no greater than our neceſſity"
• (intransitive) To perform a theatrical role.
  "I started acting at the age of eleven in my local theatre."
• (intransitive) Of a play: to be acted out (well or badly).
  "But whatever types he assumes, the need to have a good play which acts delightfully well before the audience, and to their delectation, is the dominant thrust. If the play acts well, the director gets the credits."