function

(noun): What something does or is used for.
(noun): A professional or official position.
(noun): An official or social occasion.
(noun): Something which is dependent on or stems from another thing; a result or concomitant.
(noun): A relation where one thing is dependent on another for its existence, value, or significance.
(noun): A relation in which each element of the domain is associated with exactly one element of the codomain.
(noun): A routine that receives zero or more arguments and may return a result.
(noun): The physiological activity of an organ or body part.
(noun): The characteristic behavior of a chemical compound.
(noun): The role of a social practice in the continued existence of the group.
(verb): To have a function.
(verb): To carry out a function; to be in action.