completed, finished
Tom completou trinta anos.
Tom turned thirty.
Did she fill out the form?
Did he fill out the form?
Ela já completou este formulário.
She has already completed this form.
Minha filha mal completou quinze anos.
My daughter has barely turned fifteen.
Ela tem vivido por conta própria desde quando completou dezoito anos.
She has been living independently since she turned eighteen.