foundation

FOUNDATION noun

uk/faʊnˈdeɪʃən/ us foundation noun
(STARTING)

the process of establishing an organization, state, or country

основание, учреждение
the foundation of a new state foundation noun
(MAKE-UP)

make-up that is worn all over the face to give it a smooth appearance

жидкая пудра
 be without foundation ; have no foundation
If something is without foundation , there is no proof that it is true.

быть беспочвенным
The allegations are completely without foundation .
Идиомыlay the foundation (s) for/of sth