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

Beyond air operations, the carrier is a cornerstone of the regional economy. — Chase Jordan october 28, Charlotte Observer, 28 Oct. 2026

As the session concluded, leaders reaffirmed that open science, inter-agency collaboration, and preventative care remain the cornerstone of hope for affected families. — Cindy Krischer Goodman, Sun Sentinel, 28 Oct. 2026

In this way, the sense of inclusion that was modeled for me is also a cornerstone of the guest experience at Blackberry. — Cameron Beall, Southern Living, 27 Oct. 2026

Hours after trading guard Quenton Nelson to the Seattle Seahawks for a pair of draft picks, including a 2027 third-rounder, the Colts shipped off a second veteran cornerstone. — Daniel Popper, New York Times, 27 Oct. 2026