Thesaurus
keystone
keystone
noun
Definition of KEYSTONE
an immaterial thing upon which something else rests <a committed socialist who argues that greed is the keystone of capitalism>
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
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