(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)
what something is used for
the function of an auger is to bore holes|ballet is beautiful but what use is it?
Synonym: purpose, role, use
the actions and activities assigned to or required or expected of a person or group
the function of a teacher|the government must do its part|play its role
Synonym: office, part, role
a relation such that one thing is dependent on another
height is a function of age|price is a function of supply and demand
a formal or official social gathering or ceremony
it was a black-tie function
a vaguely specified social event
the party was quite an affair|an occasion arranged to honor the president|a seemingly endless round of social functions
a set sequence of steps, part of larger computer program
perform as expected when applied
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
Synonym: go, operate, run, work
serve a purpose, role, or function
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
Synonym: serve
perform duties attached to a particular office or place or function
His wife officiated as his private secretary
Synonym: officiate
Antonym: malfunction