Thesaurus
keystone
Synonyms and Antonyms of keystone
an immaterial thing upon which something else rests
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
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See words that rhyme with keystone Dictionary: Definition of keystone Nglish: Translation of keystone for Spanish speakers Britannica.com: Encyclopedia article about keystone
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