"fulfilled its purpose" is a correct and usable phrase in written English.
You can use it when you want to describe an event or action that has achieved its expected outcome. For example, "The product launch successfully fulfilled its purpose of increasing brand visibility."
Journey Together (1945), a propaganda piece made to promote Anglo-American relations, teamed Attenborough with Hollywood veteran Edward G Robinson, and though it fulfilled its purpose entertainingly it helped establish the association of Attenborough's image with that of nervousness and inexperience.
After listening to spam at the site for an hour while working, I realized it had fulfilled its purpose: the next time the famed Nigerian business scam lands in my In box, I am likely to find it more chilling than goofy.
When the relationship is over, know that it has fulfilled its purpose.
Through Grossman, Nelson said he would not press for the returning of the painting, as it had fulfilled its purpose of "drawing attention to his 'iconoclastic' work".
Even if your pad hasn't fulfilled its purpose, change it anyway.
But even if all that lasts of the great memory machine of the past fortnight is the stuff that dreams are made on in a few million young – and old – imaginations, then you might argue it will have fulfilled its purpose.
Penetration, scalability, geographical and population studies are conducted to ensure it fulfills its purpose.
Though Paradise Regained lacks the vast scope of Paradise Lost, it fulfills its purpose admirably by pursuing the idea of Christian heroism as a state of mind.
She continued, "It fulfills its purpose of underscoring the emotion of the story by being moody and slow to change melodically and harmonically, and by using many pregnant pauses and minimalist-leaning repetitive figures".
If state power breaks down and can no longer protect him or if it turns against him, frustrates, or ruins his life, then any individual is justified in resisting it, since it no longer fulfills its purpose.
