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Definitions

foundation

[foun-dey-shuhn] / faʊnˈdeɪ ʃən /
NOUN
basis for something physical or mental
Synonyms
STRONGEST
authority base bedrock groundwork infrastructure support
STRONG
ABCs basics bed bottom foot footing ground guts heart justification nitty-gritty nub prop reason root setup stay substratum substructure understructure
WEAK
bottom line brass tacks nuts and bolts underpinning
Antonyms
STRONG
cowardice exterior exteriority fear outside top
NOUN
established institution
Synonyms
STRONGEST
association charity company corporation endowment establishment institute organization society
STRONG
guild inauguration plantation settlement trusteeship

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In a statement, BNY CEO Robin Vince said Trump accounts will “give more children a foundation for long-term financial security.”

From The Wall Street Journal • Apr. 6, 2026

By combining learning with structured reasoning, it may provide a more efficient and dependable foundation for future AI systems.

From Science Daily • Apr. 5, 2026

The foundation has a counselling room and facilities near the village of Portglenone, County Antrim.

From BBC • Apr. 5, 2026

Then Moore became coach, and Yohannes finally put in months of training to build a foundation.

From Los Angeles Times • Apr. 5, 2026

He also began working with the Clinton Global Initiative, a foundation started by the former president to bring together experts and leaders to find solutions to major world problems.

From "Mountains Beyond Mountains" by Tracy Kidder and Michael French

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.