Maybe I've left out some of the frills, but that was the groundwork of his remarks.
I accepted his denial as the groundwork of a reconciliation.
These form the groundwork of this need-be,—the sine-qua-nons of a house.
Though there may be a mistake in the application, the groundwork is strong and secure.
Sincerity was the groundwork of Kociuszko's dealings with his people.