(1) The mayor laid the cornerstone of the new library. ... (3) Hard work is the cornerstone of success. (4) Research is the cornerstone of the profession. (5) Wage control is the cornerstone of the government's economic policy.

What is the meaning of cornerstone in a sentence?

Definition of Cornerstone. a key part of something. Examples of Cornerstone in a sentence. 1. Keith's belief in Christ is the cornerstone of all his successful relationships.

What are some examples of cornerstone?

An example of a cornerstone is the first piece of stone placed for a new building, often inscribed with the date to commemorate the occasion. An example of a cornerstone is the belief by Christians in Christ as the Son of God.