KNOW›to know someone or something because you have seen or experienced them before: I recognized her from her picture.Doctors are trained to recognize the symptoms of disease.
ACCEPT›to accept that something is true or real: [+ (that)]She recognized that she had been partly to blame.Smoking is recognized as a leading cause of lung cancer.
SHOW RESPECT›to officially show respect for someone for an achievement: He was recognized by the governor for his work with teenagers.