cornerstone
Translation
cornerstone, foundation, basis
Examples
Trust is the cornerstone of any strong relationship.
Trust is the cornerstone of any strong relationship.
The cornerstone of the new library was laid today.
The cornerstone of the new library was laid today.
Grammar Patterns
the cornerstone of ((sth.)) the fundamental basis of ((sth.)) Trust is the cornerstone of a good marriage.
Similar Words
Synonyms: foundation, basis, keystone
Etymology
From 'corner' + 'stone'. Literally, the stone at the corner of a building's foundation.
Memory Tips
Imagine a large stone at a building's corner that supports the entire structure. This concept extends figuratively to the most crucial part of an idea or system.