That causes.

1

1829.  Jas. Mill, Hum. Mind, xiv. § 2 (1869), 43. ‘Cause’ in these cases is a short name for ‘causing object.’

2

1883.  M. Schuyler, in Harper’s Mag., Nov., 878. The causing cause of the building of the Metropolitan Opera-house was [etc.].

3

  Hence Causingness.

4

1829.  Jas. Mill, Hum. Mind, xiv. § 2 (1869), 43. Cause and Effect are often used in the abstract sense, in which case Cause means the same thing as would be expressed by Causingness.

5