The conversation between human and AI assistant.
[|Human|] Take the word ’exponential’ and turn it into a noun.
[|AI|] Exponential can already be used as a noun, as it can refer to a mathematical function or to a high, often rapid, rate of increase. Another noun form of the word exponential is "exponentiality," which means the state or quality of being exponential.
[|Human|] 
Take the word ’exponential’ and turn it into a noun.