'cornerstone' definitions:
Definition of 'cornerstone'
From: WordNet
noun
The fundamental assumptions from which something is begun or developed or calculated or explained; "the whole argument rested on a basis of conjecture" [syn: basis, base, foundation, fundament, groundwork, cornerstone]
noun
A stone in the exterior of a large and important building; usually carved with a date and laid with appropriate ceremonies
noun
A stone at the outer corner of two intersecting masonry walls
Synonyms of 'cornerstone'
From: Moby Thesaurus
- bench mark,
- cardinal point,
- chief thing,
- climax,
- core,
- crisis,
- critical point,
- crux,
- essence,
- essential,
- essential matter,
- first stone,
- footstone,
- foundation stone,
- fundamental,
- gist,
- gravamen,
- great point,
- headstone,
- heart,
- high point,
- important thing,
- issue,
- kernel,
- keystone,
- landmark,
- main point,
- main thing,
- material point,
- meat,
- milestone,
- nub,
- pith,
- pivot,
- quoin,
- real issue,
- salient point,
- sine qua non,
- substance,
- substantive point,
- the bottom line,
- the point,
- turning point