Looking up...
Ella asumió el cargo de directora.
She assumed the position of director.
to take on or accept responsibility, a role, or a situation
Él asumió la responsabilidad del proyecto.
He took on the responsibility of the project.
to suppose or assume something to be true
Se asumió que el problema se resolvería pronto.
It was assumed that the problem would be resolved soon.
Use 'asumir' when talking about taking on responsibilities or roles, or when assuming something to be true.
From Latin 'assumere', meaning 'to take up'
Commonly used in formal and informal contexts to indicate taking on responsibilities or roles.