Cornerstone

/kˈɔːnəstˌə‍ʊn/

/ˈkɔɹnɝˌstoʊn/

Cornerstone

the ceremonial or symbolic stone that is placed at the corner of a building's foundation, often inscribed with significant information or symbols, representing the starting point or establishment of the structure

the most important part of something on which its existence, success, or truth depends

synonyms : base

Examples

1. Just a real iconic staple mecca cornerstone for the community.

2. The balance became our cornerstone.

3. This cornerstone is the foundation of the GSP.

4. But this meeting laid the cornerstone for our work.