transitive verb
1. to admit or recognize the truth, existence, fact, or validity of.
The professor was forced to acknowledge that the student had been correct after all.
He refused to acknowledge the boy as his son.
The city’s orchestra is acknowledged to be one of the world’s finest.
At first, she did not acknowledge being acquainted with the man.
The neighbor finally acknowledged having witnessed the crime.
2. to indicate awareness of.
She acknowledged his presence with a slight nod.
3. to show appreciation or thanks for.
At the front of the book, she acknowledges her husband’s help with the research.
4. to indicate the receipt of, as a message.
We should at least acknowledge their invitation, even if we decide not to go.