Immensity
From BiblePortal Wikipedia
Charles Buck Theological Dictionary [1]
Unbounded or incomprehensible greatness; and unlimited extension, which no finite and determinate space, repeated ever so often, can equal.
See Infinity OF GOD.
Webster's Dictionary [2]
(n.) The state or quality of being immense; inlimited or immeasurable extension; infinity; vastness in extent or bulk; greatness.