Accessioning is the process of formally recording and acquiring materials or objects into a collection or archive. Some synonyms for accessioning could include registration, inventory, cataloging, or acquisition. Registering refers to the act of recording data about an item, while inventory implies accounting for all materials in a specific collection. Cataloging encompasses organizing and describing materials in a systematic manner, while acquisition denotes the formal act of obtaining items for a collection. Other synonyms for accessioning could include legalization, validation, or confirmation, as these terms also involve the formal recognition and acceptance of materials into a specified collection or group.