(noun) An operation (often an integration) that converts one function into another.
"If one is lucky, a solitary fantasy can totally transform a million realities."
"The reason why the universe is eternal is that it does not live for itself; it gives life to others as it transforms."
"Don't spend time beating on a wall, hoping to transform it into a door."
"Love is the only force capable of transforming an enemy to a friend."