This is the 1234th most frequent Portuguese word.
perfeito
Perfect.
Here, 'perfeito' is used as an adjective, modifying 'plano' to describe it as flawless or ideal.
O plano para o projeto foi perfeito.
The plan for the project was perfect.
In this context, 'perfeito' functions as an adjective describing 'ouvido,' indicating it is exceptionally good or accurate for musical tones.
Ele tem um ouvido perfeito para música.
He has a perfect ear for music.
Here, 'perfeito' conveys that the situation of meeting someone was ideal, emphasizing the positive context of the event.