realization
US /ˌriː.ə.ləˈzeɪ.ʃən/
UK /ˌriː.ə.ləˈzeɪ.ʃən/

1.
the fulfillment or achievement of something desired or anticipated
:
•
The realization of her dream to become a doctor brought her immense joy.
•
The project's successful realization was due to the team's hard work.
2.
an act of becoming aware of something
:
•
He had a sudden realization that he had left his wallet at home.
•
Her expression showed a clear realization of the gravity of the situation.