Synonyms and Antonyms 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, base, root, underpinning, warp, warp and woofRelated 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, base, nucleus, seat; essence, quintessence, soul, touchstone
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