acknowledge

To accept that something is true; to express recognition of someone's contribution or the receipt of something.

• acknowledgement/əkˈnɒlɪdʒmənt/(n)承认；感谢；回执 (also: acknowledgment)

• acknowledge a mistake
• acknowledge receipt
• acknowledge the importance
• fail to acknowledge
• acknowledge someone's contribution
• widely acknowledged

1. 1.The company publicly acknowledged the failure of the product launch and outlined corrective steps.
2. 2.It is widely acknowledged that the evidence base for this intervention remains limited.

• admit/ədˈmɪt/— confess; concede to be true
• recognise/ˈrɛkəɡnaɪz/— identify as valid or true
• concede/kənˈsiːd/— admit something reluctantly

from "ac-" (to) + "knowledge" — to declare knowledge of something