thoughtful, pensive
Quando dizem algo que o impressiona, ele fica muito pensativo.
When people say something that impresses him, he becomes very thoughtful.
— A Doce Vida (1960)
O Filby ficou pensativo.
Filby became thoughtful.
O Tomás está pensativo.
Tomás is deep in thought.
O Tom parece estar pensativo.
Tom seems to be deep in thought.