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n. 1. The act of founding, especially the establishment of an institution with provisions for future maintenance. 2. Architecture A wall or other structure, as of concrete or masonry, usually extending below ground level and forming the base upon which a building rests. 3. Something that gives rise to or supports something else. See Synonyms at base1. 4. a. Funds for the perpetual support of an institution; an endowment. b. An institution founded and supported by an endowment. 5. A cosmetic used as a base for facial makeup. 6. A supporting undergarment, such as a corset or girdle, designed to give the body a more desirable shape. Also called foundation garment. [Middle English fundacioun, from Latin fundātiō, fundātiōn-, from fundātus, past participle of fundāre, to lay the groundwork for; see FOUND1.] foun·dation·al adj. |
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