Conventional: One’s desire or intention; what one wants or intends to happen. The mental faculty by which one sets in motion what one wants to happen.
ACIM: The faculty by which one creates or extends in Heaven (see creation and extension). Will is undivided. It requires a whole, united mind with absolutely no ambivalence or uncertainty. Strictly speaking, will exists only in Heaven. The split mind is inherently divided and thus is incapable of willing or creating. It can only wish or make or choose (see choice). See Will of God.