proposes, suggests
Puede mucho más de lo que cree si se lo propone.
He can do much more than he thinks if he sets his mind to it.
Let's discuss what he proposes.
No tengo idea de lo que se propone hacer aquí.
I have no idea what he intends to do here.
— Suzume (2022)
Él es capaz de mantener un secreto cuando se lo propone.
He is capable of keeping a secret when he sets his mind to it.
El ser humano es capaz de grandes cosas cuando se lo propone.
Human beings are capable of great things when they set their minds to it.