Definition of "Realize" :

verb: perceive (an idea or situation) mentally

"Does she realize how important this decision is?."

verb: be fully aware or cognizant of

verb: make real or concrete; give reality or substance to

verb: expand or complete (a part in a piece of baroque music) by supplying the harmonies indicated in the figured bass

verb: convert into cash; of goods and property

verb: earn on some commercial or business transaction; earn as salary or wages