1. To make a purpose or objective more firm, resolute, or determined; to reinforce one's commitment to a goal
The team worked together to strengthen the purpose of their mission.
O time trabalhou junto para fortalecer o propósito de sua missão.
2. To provide additional support or conviction to an existing aim or intention
Regular meetings helped strengthen the purpose of the organization.
Reuniões regulares ajudaram a fortalecer o propósito da organização.