recognize

• IPA^(key): /ˈɹɛk.əɡ.naɪz/, /ˈɹɛk.ɪɡ.naɪz/, (sometimes proscribed) /ˈɹɛk.ən.aɪz/
• (General Australian) IPA^(key): /ˈɹekənɑɪz/, /ˈɹekəɡnɑɪz/

• Audio (US):

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• Audio (UK):

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Borrowed from Middle French reconoistre, from Old French reconoistre, from Latin recognoscere, first attested in the 16th century. Displaced native English acknow (“to recognize, perceive as”), compare German erkennen and Swedish erkänna. Latin had rare recognizare (“to try by jury”).

• recognise (non-Oxford British English)

recognize (third-person singular simple present recognizes, present participle recognizing, simple past and past participle recognized) (American spelling, Oxford British English)

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

   Synonym: place

   I recognized his face immediately, although his voice was different.

   • 1900, Charles W[addell] Chesnutt, chapter I, in The House Behind the Cedars, Boston, Mass.; New York, N.Y.: Houghton, Mifflin and Company […], →OCLC:

     He looked in vain into the stalls for the butcher who had sold fresh meat twice a week, on market days, and he felt a genuine thrill of pleasure when he recognized the red bandana turban of old Aunt Lyddy, the ancient negro woman who had sold him gingerbread and fried fish, and told him weird tales of witchcraft and conjuration, in the old days when, as an idle boy, he had loafed about the market-house.

   • 1973, John Berger, chapter 1, in Ways of Seeing, Penguin Books, →ISBN, →OCLC:

     Seeing comes before words. The child looks and recognizes before it can speak.

2. (transitive) 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.

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

   Slavery is widely recognized as immoral.

   I recognize that my behaviour has been unacceptable.

4. (transitive) To realize or discover the nature of something; apprehend quality in.
   • 2013 May-June, Katrina G. Claw, “Rapid Evolution in Eggs and Sperm”, in American Scientist, volume 101, number 3:

     In plants, the ability to recognize self from nonself plays an important role in fertilization, because self-fertilization will result in less diverse offspring than fertilization with pollen from another individual.

5. (transitive) To show formal appreciation of, as with an award, commendation etc.

   His services were recognized in a testimonial.

   The soldier was recognized in dispatches.

6. (obsolete) To review; to examine again.
   • 1534, Thomas Cranmer, The Institution of a Christian Man:

     We do moste humbly submytte it [this treatise] to […] your maiestie, to be recognised, ouersene, and corrected.

7. (obsolete) To reconnoiter.
   • 1637, Robert Monro, Monro, His Expedition With the Worthy Scots Regiment Called Mac-Keys:

     before the siege was layd to the Towne, of minde to recognize, he fell unawares amongst an Ambushcade

8. (immunology) To have the property to bind to specific antigens.

From re- +‎ cognize.

• re-cognize

recognize (third-person singular simple present recognizes, present participle recognizing, simple past and past participle recognized) (North American and Oxford British spelling)

1. to cognize again