What is to accede, or come (to); to be added to something or become a part of it, though not essential. [R.] Where no act of the will advenes as a coefficient. Coleridge called?

advene — To accede, or come (to); to be added to something or become a part of it, though not essential. [R.] Where no act of the will advenes as a coefficient. Coleridge. (Webster's 1913.)