to identify someone or something from previous encounters or knowledge

to acknowledge the existence or validity of something

पहचानना

English Usage: I can recognize her from the picture.

Hindi Usage: मैं तस्वीर से उसे पहचान सकता हूँ।

to express gratitude or appreciation for something

सराहना करना

English Usage: She was recognized for her hard work at the annual awards.

Hindi Usage: उसे वार्षिक पुरस्कारों में उसकी मेहनत के लिए सराहा गया।