■ noun
1》 the lowest load-bearing part of a building, typically below ground level.
2》 an underlying basis or principle.
↘[often with negative ] justification or reason.
3》 the action of founding an institution or organization.
↘an institution established with an endowment.
4》 a cream or powder applied to the face as a base for other make-up.
Derivatives
~al adjective