- [noun] the fundamental assumptions from which something is begun or developed or calculated or explained; "the whole argument rested on a basis of conjecture"
Synonyms: basis, base, foundation, fundament, groundwork
- [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
- Search for synonyms for CORNERSTONE