1.
registered; registration completed
Indicates that a registration process has been completed. Used for accounts, products, documents, and any official registration. Functions as a no-adjective to modify nouns.
Compound of 登録 (registration) + 済み (completed). The suffix 済み attaches to nouns (especially suru-verb stems) to indicate that the action has been finished. This pattern is extremely productive:
Very common in business, administrative, and digital contexts (websites, apps, forms).