Admittance :: Admittance (n.) Permission to enter; the power or right of entrance; also, actual entrance; reception..
Admittance :: Admittance (n.) Concession; admission; allowance; as, the admittance of an argument..
Admittance :: Admittance (n.) The act of giving possession of a copyhold estate.
Readmittance :: Readmittance (n.) Allowance to enter again; a second admission.