<p><strong>Noun</strong></p><ul><li>the basis or groundwork of anything: the moral foundation of both society and religion</li><li>the natural or prepared ground or base on which some structure rests</li></ul><p><strong>Synonyms</strong></p><ul><li>footing</li></ul><p><strong>Antonyms</strong></p><ul><li><p>superstructure</p></li><li><p>the lowest division of a building, wall, or the like, usually of masonry and partly or wholly below the surface of the ground</p></li></ul><p><strong>Synonyms</strong></p><ul><li>footing</li></ul><p><strong>Antonyms</strong></p><ul><li><p>superstructure</p></li><li><p>the act of founding, found, setting up, establishing, etc.: a policy in effect since the foundation</p></li></ul><p><strong>Synonyms</strong></p><ul><li><p>settlement</p></li><li><p>establishment</p></li><li><p>the state of being founded; found</p></li></ul><p><strong>Synonyms</strong></p><ul><li><p>settlement</p></li><li><p>establishment</p></li><li><p>an institution financed by a donation or legacy to aid research, education, the arts, etc.: the Ford Foundation</p></li><li><p>an endowment for such an institution</p></li><li><p>a cosmetic, as a cream or liquid, used as a base for facial makeup</p></li><li><p>foundation garment</p></li><li><p>Solitaire: a card of given denomination on which other cards are to be added according to denomination or suit</p></li></ul>