This is the 1563rd most frequent Spanish word.
basada
"Basada" means "based" in English.
Here, 'basada' functions as a past participle describing the movie, indicating its dependency on or origin from a real story.
La película está basada en una historia real.
The movie is based on a real story.
In this sentence, 'basada' serves to describe the theory, showing it derives its support from scientific research findings.
La teoría está basada en investigaciones científicas.
The theory is based on scientific research.
Here, 'basada' modifies the novel, indicating that its inspiration or foundation comes from documented historical occurrences.