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Synonyms of cornerstone in English:
cornerstone
See US English definition of cornerstone
See UK English definition of cornerstone
See Spanish definition of pilar
noun
1‘the theory of natural selection is a cornerstone of biological thought’
SYNONYMS
foundation, basis, keystone, mainspring, mainstay, linchpin, bedrock, fundament, base, key, fundamental principle, main ingredient, central component, centrepiece, core, heart, centre, focus, crux, prop, backbone, anchor
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