lowest support of a structure; "it was built on a base of solid rock"; "he stood at the foot of the tower"
education or instruction in the fundamentals of a field of knowledge; "he lacks the foundation necessary for advanced study"; "a good grounding in mathematics"
an institution supported by an endowment
the basis on which something is grounded; "there is little foundation for his objections"
a collection containing a variety of sorts of things; "a great assortment of cars was on display"; "he had a variety of disorders"; "a veritable smorgasbord of religions"