Nonadmission means the refusal or denial of entry or admittance. Its antonyms include admission, acceptance, entrance, access, and inclusion. Admission denotes the approval or consent to enter or be a part of something. Acceptance, on the other hand, means the welcoming or embracing of a person or an idea. Entrance indicates the act of entering or being allowed in a place or organization. Access refers to the right or opportunity to use, communicate, or make contact with something or someone. Inclusion denotes the act of being included or comprising something or someone as a part of a larger group or whole. These antonyms show the various possibilities of being accepted, welcomed, allowed entry and inclusion into a group or organization.