his/her decision
Il a dit qu'il nous ferait connaître sa décision vendredi sans faute.
He said he would let us know his decision on Friday without fail.
Il ne regretta pas sa décision.
He did not regret his decision.
C'était sa décision, pas la mienne.
It was his decision, not mine.
Sa décision de rester fût une surprise pour nous tous.
His decision to stay came as a surprise to all of us.
Elle m'a fait part de sa décision.
She told me about her decision.
Mon avancement dépend de sa décision.
My advancement depends on his decision.