There are multiple definitions - click on the translation that matches your context.

fundação

substantivo

full

foundation

noun

Definitions of foundation

the most important facts, ideas, laws etc. that support a legal argument (especially of evidence or testimony that establishes support for other evidence given at a judicial hearing)

It is a very bad decision with no foundation in law.

a fund established for charitable, educational, religious, research or other benevolent (=kind; helpful; generous) purposes

He pledged £27m for the National Sports Foundation, a public-private partnership set up to encourage young sports talent.