cornerstone

cornerstone

noun

Definition of CORNERSTONE

an immaterial thing upon which something else rests <a concern for basic human rights was the cornerstone of the president's foreign policy>

Synonyms basis, bedrock, bottom, cornerstone, footing, foundation, ground, groundwork, keystone, root, underpinning, warp, warp and woof

Related Words anchorage, bed, brace, bulwark, buttress, framework, infrastructure, mount, prop, shore, stay, substratum, substructure, support; assumption, justification, premise (also premiss), presumption, presupposition, rationale, supposition, theory, thesis, warrant; backbone, center, core, cornerstone, eye, focus, heart, hub, kernel, keystone, nucleus, seat; essence, quintessence, soul, touchstone