Synonyms of cornerstone


1. basis, base, foundation, fundament, groundwork, cornerstone, assumption, supposition, supposal

usage: the fundamental assumptions from which something is begun or developed or calculated or explained; "the whole argument rested on a basis of conjecture"

2. cornerstone, stone

usage: a stone in the exterior of a large and important building; usually carved with a date and laid with appropriate ceremonies

3. cornerstone, stone

usage: a stone at the outer corner of two intersecting masonry walls

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See also: cornerstone (Dictionary)