Meaning

• To match (something or someone which one currently perceives) to a memory of some previous encounter with the same person or thing.

  "I recognised his face immediately."

• To acknowledge the existence or legality of; to treat as valid or worthy of consideration.

  "The US and a number of EU countries are expected to recognize Kosovo on Monday."

• (or with clause) To acknowledge or consider (as being a certain thing or having a certain quality or property).

  "I recognize that my behaviour has been unacceptable."

• To realize or discover the nature of something; apprehend quality in.

• To show formal appreciation of, as with an award, commendation etc.

  "His services were recognized in a testimonial."

• To review; to examine again.

• To reconnoiter.

• To have the property to bind to specific antigens.