This is the 1691st most frequent Dutch word.
slagen
"Slagen" means "to succeed" or "to pass" (e.g., an exam).
In this sentence, 'slagen' is used in the context of successfully completing something, specifically an exam.
Ik hoop dat ik zal slagen voor mijn examen.
I hope that I will pass my exam.
Here, 'geslaagd' (the past participle of 'slagen') refers to the successful accomplishment of a plan.
Het plan is geslaagd dankzij goede samenwerking.
The plan succeeded thanks to good teamwork.
In this case, 'geslaagd' describes successfully achieving a specific goal after effort.