i Register
In some senses, realization is marked as British, US. Watch for register when choosing this word.
ADJ
full | dawning, growing | gradual | sudden | awful, terrible
VERB + REALIZATION
come to
She came to the realization that she had been wasting her time on the wrong career path.
REALIZATION + VERB
come (to sb), dawn (on sb), hit sb
When she opened the letter, the realization of her mistake suddenly hit her.