Learner's definition of REALIZATION
the state of understanding or becoming aware of something
There is a growing realization that changes need to be made to the coaching staff.
She had a/the sudden realization [=she suddenly realized] that things had changed between them.
He came to the realization [=he realized] that he was adding up the wrong numbers.
the act of achieving something that was planned or hoped for
— usually singular
— usually + of
the act of selling property in order to get money