nominalize
verb (used with object)
to convert (another part of speech) into a noun, as in changing the adjective lowly into the lowly or the verb legalize into legalization.
A verb form that is used in progressive verb constructions and may also function as a modifier or a gerund.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The nominalizing -’i and the indicative -ma are not fused form-affixes, they are simply additions of formal import.
From Language An Introduction to the Study of Speech by Edward Sapir