B1
to know someone or something because you have seen, heard or experienced them before
Dictionary examples:
I recognized my teacher's handwriting on the 'Free Pizza' sign! (0.0)
I recognized my grandpa's dance moves at the school disco! (0.0)
I recognized my cat at the party, wearing a tiny tuxedo! (0.0)
I recognized her from her picture. (21.5)
I recognized his voice. (27.2)
I hadn't seen her for 20 years, but I recognized her immediately. (35.0)
Doctors are trained to recognize the symptoms of different diseases. (42.3)