n. A bringing or coming into real existence or manifestation, as of something conceived or imagined: as, the realization of a project.n. Perception of the reality or real existence of something; a realizing sense or feeling: as, the realization of one's danger.n. The act of realizing upon something; conversion into money or its equivalent; exchange of property for its money value.n. The act of converting money into land or real estate.n. Also spelled realisation.