Synonyms of keystones

keystones

noun

plural of keystone

as in cornerstones

an immaterial thing upon which something else rests

a sense of history is the keystone to the city's draw as a tourist destination

Synonyms & Similar Words

• cornerstones
• foundations
• bases
• bases
• bedrocks
• grounds
• roots
• underpinnings
• warps
• footings
• premises
• warp and woofs
• supports
• groundworks
• theories
• frameworks
• assumptions
• cores
• foci
• justifications
• substructures
• mounts
• essences
• buttresses
• bottoms
• infrastructures
• backbones
• beds
• presumptions
• kernels
• props
• rationales
• hearts
• centers
• presuppositions
• substrata
• bulwarks
• braces
• shores
• theses
• anchorages
• warrants
• stays
• touchstones
• nuclei
• hubs
• suppositions
• seats
• eyes
• souls
• quintessences

Example Sentences

Recent Examples of keystones

The theory of evolution, one of the keystones of modern biological theory, is based on the idea that living things on Earth can be traced back to other preexisting types and that the differences are due to modifications that occurred over successive generations. — Encyclopedia Britannica, 2 Apr. 2026

Just trying to get to the keystones in this instance. — Lance Eliot, Forbes.com, 24 Jan. 2026

And how exactly does that fit into the equation of the keystones of our survival? — Outside Online, 12 Nov. 2025