1. (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) Noun
2. What something is used for Noun
3. The actions and activities assigned to or required or expected of a person or group Noun
4. A relation such that one thing is dependent on another Noun
5. A formal or official social gathering or ceremony Noun
6. A vaguely specified social event Noun
7. A set sequence of steps, part of larger computer program Noun
8. Perform as expected when applied Verb
9. Serve a purpose, role, or function Verb
10. Perform duties attached to a particular office or place or function Verb