Realization

The action of making real or investing with reality; the process of becoming or being made real; conversion into fact.
The action of completing or enriching ... a piece ... by interpreting performance directions which are either vague or incomplete.
The action or an act of comprehending or understanding something clearly; the action or process of becoming fully aware of something.

edited from the Oxford English Dictionary, “realization (n.),” September 2025, https://doi.org/10.1093/OED/9644041556.