1.VerbTo allow to enter; to grant entrance (to), whether into a place, into the mind, or into consideration
"to admit a serious thought into the mind; to admit evidence in the trial of a cause; A ticket admits one into a playhouse.; They were admitted into his house."
2.VerbTo allow (someone) to enter a profession or to enjoy a privilege; to recognize as qualified for a franchise.
"to admit an attorney to practice law; The prisoner was admitted to bail."
3.VerbTo concede as true; to acknowledge or assent to, as an allegation which it is impossible to deny (+ to).
"the argument or fact is admitted; He admitted his guilt.; She admitted taking drugs / she admitted to taking drugs."
4.VerbTo be capable of; to permit. In this sense, "of" may be used after the verb, or may be omitted.
"The words do not admit such a construction."
5.VerbTo give warrant or allowance, to grant opportunity or permission.
"Circumstances do not admit of this.; The text does not admit of this interpretation."
6.VerbTo allow to enter a hospital or similar facility for treatment.