This is the 15292nd most frequent Russian word.
поставила
"Поставила" means "placed" or "put" (feminine past tense).
Here, 'поставила' is used to indicate the action of putting an object in a standing position.
Она поставила книгу на стол.
She placed the book on the table.
In this context, 'поставила' means assigning or giving a grade in an evaluative context.
Учительница поставила мне хорошую оценку.
The teacher gave me a good grade.
Here, 'поставила' refers to setting up or starting an action, specifically initiating the cooking process.