If you realize that something is true, you become aware of that fact or understand it.

If your hopes, desires, or fears are realized, the things that you hope for, desire, or fear actually happen.

When someone realizes a design or an idea, they make or organize something based on that design or idea.

If someone or something realizes their potential, they do everything they are capable of doing, because they have been given the opportunity to do so.

If something realizes a particular amount of money when it is sold, that amount of money is paid for it.