Meaning of “admit” - Learner’s Dictionary

admit

verb uk us /ədˈmɪt/ (present participle admitting, past tense and past participle admitted)
SOMETHING BAD [ I, T ]

B1 to agree that you did something bad, or that something bad is true:

[ + doing sth ] Both men admitted taking illegal drugs.
[ + to + doing sth ] She admitted to stealing the keys.
I was wrong - I admit it.
[ + (that) ] He finally admitted that he couldn't cope.
ALLOW [ T ]

to allow someone to enter somewhere, especially to take someone who is sick into hospital:

UK to be admitted to hospital/ US to be admitted to the hospital
It says on the ticket 'admits 2'.

(Definition of “admit” from the Cambridge Learner’s Dictionary © Cambridge University Press)