To own or recognize in a particular quality, character or relationship; to admit the claims or authority of; to give recognition to.
To own as genuine or valid; to assent to (a legal instrument) to give it validity; to avow or admit in legal form.
To be grateful of (e.g. a benefit or a favour)
To admit the knowledge of; to recognize as a fact or truth; to declare one's belief in
To report (the receipt of a message to its sender).
To acknowledge or consider (as being a certain thing or having a certain quality or property).
To match (something or someone which one currently perceives) to a memory of some previous encounter with the same person or thing.
To realize or discover the nature of something; apprehend quality in.
To show formal appreciation of, as with an award, commendation etc.
to cognize again
To have the property to bind to specific antigens.
To acknowledge the existence or legality of; to treat as valid or worthy of consideration.