Synonyms of cornerstone

cornerstone

noun

ˈkȯr-nər-ˌstōn 

as in basis

an immaterial thing upon which something else rests

a concern for basic human rights was the cornerstone of the president's foreign policy

Synonyms & Similar Words

• basis
• foundation
• bedrock
• groundwork
• keystone
• justification
• root
• core
• base
• ground
• framework
• underpinning
• premise
• theory
• support
• footing
• focus
• essence
• warp
• warp and woof
• bottom
• infrastructure
• backbone
• center
• assumption
• rationale
• heart
• shore
• substratum
• mount
• bed
• thesis
• presumption
• kernel
• prop
• anchorage
• warrant
• substructure
• bulwark
• nucleus
• hub
• stay
• brace
• buttress
• presupposition
• supposition
• touchstone
• seat
• soul
• eye
• quintessence

Example Sentences

Recent Examples of cornerstone

Vessel Monitoring Systems became a cornerstone of this strategy. — IEEE Spectrum, 16 July 2026

At roughly $1 a can, this humble legume is being called the cornerstone of every longevity diet in the world. — Samantha Agate, Fort Worth Star-Telegram, 15 July 2026

BriseBois loves Kucherov and sees him as the cornerstone of sustaining the Lightning’s success. — Eduardo A. Encina, The Orlando Sentinel, 11 July 2026

The cornerstone of Boards classics is a blurring retrofuturism achieved via swirling and clashing sample, synth, and guitar textures. — Craig Jenkins, Vulture, 8 July 2026