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

confissão

substantivo

full

admission

noun

Definitions of admission

permission or authority to enter a place, organization, or institution

To qualify for admission to the Bar of this Court, an applicant must have been admitted to practice in the highest court of a State, Commonwealth, Territory or Possession, or the District of Columbia for a period of at least three years immediately before the date of application.

the act of stating that something is true, particularly something you don't want to say is true

The admission of guilt followed a long criminal investigation in to the murder.