From Portuguese <i>
verb</i> To fix, to repair, to put right.
The related noun, "conserto", is often mixed up with concerto, the latter meaning "A musical composition for a solo instrument or instruments accompanied by an orchestra,
esp. one conceived on a relatively
large scale." (from Wiki)
Can you repair my
car? <-> Você pode consertar meu carro?
They can't fix their own mistakes. <-> Eles não podem consertar seus próprios erros.
You
must put this right! <-> Você tem
que consertar isso!