To match (something or someone which one currently perceives) to a memory of some previous encounter with the same person or thing.
To acknowledge the existence or legality of; to treat as valid or worthy of consideration.
(or with clause) To acknowledge or consider (as being a certain thing or having a certain quality or property).
To realize or discover the nature of something; apprehend quality in.
To show formal appreciation of, as with an award, commendation etc.
To review; to examine again.
To reconnoiter.
To have the property to bind to specific antigens.
To cognize again