1. The finishing or accomplishment of a task, project, or process in a satisfactory and effective manner
The successful completion of the project was celebrated by the entire team.
A conclusão bem-sucedida do projeto foi celebrada por toda a equipe.
2. Achievement of a desired outcome or goal without failure
Successful completion of the course requires passing all final exams.
A conclusão bem-sucedida do curso requer aprovação em todos os exames finais.