Learner's definition of RECOGNIZE
not used in progressive tenses
to know and remember (someone or something) because of previous knowledge or experience
I didn't recognize you at first with your new haircut.
I can always recognize him from far away by/from the way he walks.
They recognized the odor at once.
to accept or be aware that (something) is true or exists
to accept and approve of (something) as having legal or official authority
to think of (someone or something) as being something specified
to publicly give special attention or notice to (someone or something)
[more recognizable; most recognizable]