Recognition

noun

1. The act of recognizing or the condition of being recognized (matching a current observation with a memory of a prior observation of the same entity)

   "He looked at her for ten full minutes before recognition dawned."

2. Acceptance as valid or true

   "The law was a recognition of their civil rights."

3. Official acceptance of the status of a new government by that of another country
4. Honour, favourable note, or attention

   "The charity gained plenty of recognition for its efforts, but little money."

5. The propriety consisting for antibodies to bind to some specific antigens and not to others.