treatment

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The act, manner, or method of handling or dealing with someone or something.
• noun Informal The usual methods of dealing with a given situation.
• noun The use of an agent, procedure, or regimen, such as a drug, surgery, or exercise, in an attempt to cure or mitigate a disease, condition, or injury.
• noun The agent, procedure, or regimen so used.
• noun A written sketch outlining the plot, characters, and action for a screenplay but not including certain elements of a finished screenplay, such as camera directions and dialogue.
• noun An adaptation of a novel or other literary work that serves as the basis for a screenplay.

from The Century Dictionary.

• noun The act or the manner of treating, in any sense.

from the GNU version of the Collaborative International Dictionary of English.

• noun The act or manner of treating; management; manipulation; handling; usage.
• noun obsolete Entertainment; treat.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The process or manner of treating someone or something.
• noun Medical care for an illness or injury.
• noun The use of a substance or process to preserve or give particular properties to something.
• noun countable A treatise; a formal written description or characterization of a subject.
• noun countable, film A brief, third-person, present-tense summary of a proposed film.
• noun obsolete entertainment; treat

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the management of someone or something
• noun an extended communication (often interactive) dealing with some particular topic
• noun care provided to improve a situation (especially medical procedures or applications that are intended to relieve illness or injury)
• noun a manner of dealing with something artistically