noun

1. An operation (often an integration) that converts one function into another.

2. A function so produced.

verb

1. To change greatly the appearance or form of.

   “The alchemists sought to transform lead into gold.”

2. To change the nature, condition or function of; to change in nature, disposition, heart, character, etc.; to convert.

3. To subject to a transformation; to change into another form without altering the value.

Synonyms: alter, change, alter, change, alter, change, convert, make over