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1. Apprehended with certainty
   "a known quantity"; "the limits of the known world"; "a musician known throughout the world"; "a known criminal"

1. Be cognizant or aware of a fact or a specific piece of information; possess knowledge or information about
   "I know that the President lied to the people"; "I want to know who is winning the game!"; "I know it's time"
   - cognize, cognise [Brit]
    
2. Know how to do or perform something
   "She knows how to knit"; "Does your husband know how to cook?"
    
3. Be aware of the truth of something; have a belief or faith in something; regard as true beyond any doubt
   "I know that I left the key on the table"; "Galileo knew that the earth moves around the sun"
    
4. Be familiar or acquainted with a person or an object
   "She doesn't know this composer"; "Do you know my sister?"; "We know this movie"; "I know him under a different name"
    
5. Have firsthand knowledge of states, situations, emotions, or sensations
   "I know the feeling!"
   - experience, live
    
6. Accept (someone) to be what is claimed or accept his power and authority
   - acknowledge, recognize, recognise [Brit]
    
7. Have fixed in the mind
   "I know Latin"; "This student knows her irregular verbs"; "Do you know the poem well enough to recite it?"
    
8. Know the nature or character of
   "we all knew her as a big show-off"
    
9. Be able to distinguish, recognize as being different
   "The child knows right from wrong"
    
10. Perceive as familiar
    "I know this voice!"
     
11. [archaic] Have sexual intercourse with
    "Adam knew Eve"
    - sleep together, roll in the hay, love, make out, make love, sleep with, have sex, do it, be intimate, have intercourse, lie with [archaic], bed, have a go at it, get it on, bonk [Brit], make whoopee

See also: acknowledged, best-known, better-known, big-name, celebrated, famed, familiar, famous, far-famed, glorious, identified, illustrious, knowable, knower, knowing, legendary, notable, noted, proverbial, renowned, well-known

Type of: accept, agnise [Brit], agnize, call back, call up, copulate, couple, differentiate, distinguish, experience, go through, mate, pair, realise [Brit], realize, recall, recognise [Brit], recognize, recollect, remember, retrieve, secern, secernate, see, separate, severalise [Brit], severalize, tell, tell apart, think

Antonym: ignore, unknown

Encyclopedia: Know