noun: foundation; plural noun: foundations
1. the lowest load-bearing part of a building, typically below ground level.
2.an underlying basis or principle for something.
3.the action of establishing an institution or organization on a permanent basis, especially with an endowment.
the state of being stable.
firm, solid, steady, secure, fixed, fast, safe, moored, anchored, stuck down, immovable
"a stable tent"
1. a thing that bears the weight of something or keeps it upright.
2. material assistance.
3. bear all or part of the weight of; hold up.
4. give assistance to, especially financially; enable to function or act.