Yet it is not only lawful, but necessary to retain the term for the purpose of expressing the simultaneous occurrence of two phenomena, which are not causally related to each other, but of which each has its own mechanical cause independent of the other.
"The Old Riddle and the Newest Answer"
John Gerard
It will also be regarded as causally dependent upon other objects like itself.
"The Approach to Philosophy"
Ralph Barton Perry
The father causally said he supposed, of course, that Vona had gone home long before from the bank, and he watched Mr. Britt's expression when the banker replied to a question as to how she was getting on with her work.
"When Egypt Went Broke"
Holman Day