What is the opposite of process?

single-word-requests

... the [product] of the imagination"

second meaning in Merriam Webster for product

something that is the result of a process

Related

A Word For A Typographical Illusion or Typo Blindness?
Better alternative for "bring something to something"?
'serve the best interest of' or 'serve the best interests of'?
Meaning of “someone who can smell an expense account at forty paces”
What is the English word for the role of a person who betrays his master's attitudes? [closed]
Is putting "for a moment" between subject and verb grammatical?
Obtaining a property due to being part of a larger whole
What word would you use to describe this workflow?
nature's good in a cup
No harm be upon you
Are "pay phones" still, if ever, called "pay stations" in the U.S.?
Is there a more accurate way to describe "short vowels" and "long vowels"?