# Speak and write with confidence.

To help you avoid using the same word too repetitively, redundantly, recurrently, incessantly, etc., etc.

To help you avoid using the same word too repetitively, redundantly, recurrently, incessantly, etc., etc.

**Synonyms:** map, mapping, mathematical function, function, single-valued function
**Definition:** (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)

**Hypernyms:** mathematical relation
**Definition:** a relation between mathematical expressions (such as equality or inequality)