to put on (clothes), to become, to get
Sé que pudo ponerse ropa de civil y huir.
I know he was able to change into civilian clothes and escape.
— Las flores de la guerra (2011)
Para proteger la cabeza hay que ponerse casco.
To protect your head, you must wear a helmet.
Mary terminó de ponerse el maquillaje.
Mary finished putting on her makeup.
Tiene demasiados pares de zapatos y nunca sabe cuáles ponerse.
She has too many pairs of shoes and never knows which ones to wear.
Tendrá que ponerse de puntillas para poder ver.
You'll have to stand on tiptoe to be able to see.
El juego empieza a ponerse interesante.
The game is starting to get interesting.
Los pasajeros también tienen que ponerse el cinturón.
Passengers also have to fasten their seatbelts.