cornerstone

Nouns

  • (n) the fundamental assumptions from which something is begun or developed or calculated or explained
    • the whole argument rested on a basis of conjecture
    fundament, groundwork, basis, foundation, base,
  • (n) a stone in the exterior of a large and important building; usually carved with a date and laid with appropriate ceremonies
  • (n) a stone at the outer corner of two intersecting masonry walls

Synonyms

fundament groundwork basis foundation base

Words of close approximity