vouch in Portuguese
vouch in Portuguese
responsabilizar-se (por)
assegurar
To affirm or warrant the correctness or truth of (something); also, to affirm or warrant (the truth of an assertion or statement).
asseverar
To affirm or warrant the correctness or truth of (something); also, to affirm or warrant (the truth of an assertion or statement).
garantir
To affirm or warrant the correctness or truth of (something); also, to affirm or warrant (the truth of an assertion or statement).