Function and Impression

function

Mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function. ()
- synonyms: mathematical function, single-valued function, map, mapping
What something is used for.
- usage: "the function of an auger is to bore holes"; "ballet is beautiful but what use is it"
- synonyms: purpose, role, use
The actions and activities assigned to or required or expected of a person or group.
- usage: "the function of a teacher"; "the government must do its part"; "play its role"
- synonyms: office, part, role
A relation such that one thing is dependent on another.
- usage: "height is a function of age"; "price is a function of supply and demand"
A formal or official social gathering or ceremony.
- usage: "it was a black-tie function"
A vaguely specified social event.
- usage: "the party was quite an affair"; "an occasion arranged to honor the president"; "a seemingly endless round of social functions"
- synonyms: affair, occasion, social occasion, social function
A set sequence of steps, part of larger computer program.
- synonyms: routine, subroutine, subprogram, procedure

Perform as expected when applied.
- usage: "The washing machine won't go unless it's plugged in"; "Does this old car still run well"; "This old radio doesn't work anymore"
- synonyms: work, operate, go, run
Serve a purpose, role, or function.
- usage: "The tree stump serves as a table"; "The female students served as a control group"; "This table would serve very well"; "His freedom served him well"; "The table functions as a desk"
- synonyms: serve
Perform duties attached to a particular office or place or function.
- usage: "His wife officiated as his private secretary"
- synonyms: officiate

(v.i.) Alternative of Functionate.
(n.) The course of action which peculiarly pertains to any public officer in church or state; the activity appropriate to any business or profession.
(n.) A quantity so connected with another quantity, that if any alteration be made in the latter there will be a consequent alteration in the former. Each quantity is said to be a function of the other. Thus, the circumference of a circle is a function of the diameter. If x be a symbol to which different numerical values can be assigned, such expressions as x2, 3x, Log. x, and Sin. x, are all functions of x.
(n.) The act of executing or performing any duty, office or calling; per formance.
(n.) The appropriate action of any special organ or part of an animal or vegetable organism; as, the function of the heart or the limbs; the function of leaves, sap, roots, etc.; life is the sum of the functions of the various organs and parts of the body.
(n.) The natural or assigned action of any power or faculty, as of the soul or of the intellect; the exertion of an energy of some determinate kind.
(n.) A public or social ceremony or gathering; a festivity or entertainment, especially one somewhat formal.
(n.) A religious ceremony, especially one particularly impressive and elaborate.

Webster's Revised Unabridged Dictionary

impression

A vague idea in which some confidence is placed.
- usage: "his impression of her was favorable"; "what are your feelings about the crisis"; "it strengthened my belief in his sincerity"; "I had a feeling that she was lying"
- synonyms: feeling, belief, notion, opinion
An outward appearance.
- usage: "he made a good impression"; "I wanted to create an impression of success"; "she retained that bold effect in her reproductions of the original painting"
- synonyms: effect
A clear and telling mental image.
- usage: "he described his mental picture of his assailant"; "he had no clear picture of himself or his world"; "the events left a permanent impression in his mind"
- synonyms: mental picture, picture
A concavity in a surface produced by pressing.
- usage: "he left the impression of his fingers in the soft mud"
- synonyms: depression, imprint
A symbol that is the result of printing or engraving.
- usage: "he put his stamp on the envelope"
- synonyms: stamp
All the copies of a work printed at one time.
- usage: "they ran off an initial printing of 2000 copies"
- synonyms: printing
Dentistry) an imprint of the teeth and gums in wax or plaster. (
- usage: "the dentist took an impression for use in preparing an inlay"
An impressionistic portrayal of a person.
- usage: "he did a funny impression of a politician"
The act of pressing one thing on or into the surface of another.
- usage: "he watched the impression of the seal on the hot wax"

(n.) Influence or effect on the senses or the intellect hence, interest, concern.
(n.) A print on paper from a wood block, metal plate or the like.
(n.) In painting, the first coat of color, as the priming in house painting and the like.
(n.) That which impresses or exercises an effect, action or agency; appearance; phenomenon.
(n.) An indistinct notion, remembrance or belief.
(n.) Impressiveness; emphasis of delivery.
(n.) The pressure of the type on the paper or the result of such pressure, as regards its appearance; as, a heavy impression; a clear or a poor, impression; also, a single copy as the result of printing or the whole edition printed at a given time.
(n.) That which is impressed; stamp; mark; indentation; sensible result of an influence exerted from without.
(n.) The act of impressing or the state of being impressed; the communication of a stamp, mold, style or character, by external force or by influence.

Webster's Revised Unabridged Dictionary