1. The final stage of a process, project, or event where things are being completed and finalized
The project is now in its conclusion phase, with final reports being prepared.
O projeto está agora em sua fase de conclusão, com relatórios finais sendo preparados.
2. In legal or negotiation contexts, the stage where agreements are being finalized and signed
We are in the conclusion phase of the contract negotiations.
Estamos na fase de conclusão das negociações do contrato.
3. In academic writing, the final section of a paper or thesis that summarizes findings
In the conclusion phase of her dissertation, she synthesized all her research findings.
Na fase de conclusão de sua dissertação, ela sintetizou todos os seus achados de pesquisa.