Admittable(a.) Admissible.
Admittance(n.) The act of admitting.
Admittance(n.) Permission to enter; the power or right of entrance; also, actual entrance; reception.
Admittance(n.) Concession; admission; allowance; as, the admittance of an argument.
Admittance(n.) Admissibility.
Admittance(n.) The act of giving possession of a copyhold estate.
Admitter(n.) One who admits.

Words within admitters